Home / 306,377,398.88-422,798,804.16-174,218,416.64

Finding the Fourth Proportional to 306,377,398.88, 422,798,804.16 and 174,218,416.64

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Solution

The fourth proportional to 306,377,398.88, 422,798,804.16 and 174,218,416.64 is: 240,420,274.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    306,377,398.88 : 422,798,804.16 = 174,218,416.64 : x
  2. Step 2: Convert to fraction form
    306,377,398.88/422,798,804.16 = 174,218,416.64/x
  3. Step 3: Cross multiply
    306,377,398.88x = 422,798,804.16 × 174,218,416.64
  4. Step 4: Simplify right side
    306,377,398.88x = 73,659,338,218,040,640
  5. Step 5: Solve for x
    x = 73,659,338,218,040,640/306,377,398.88
  6. Step 6: Final answer
    x = 240,420,274.10

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.