Home / 445,918.18-615,878.16-293,637.16

Finding the Fourth Proportional to 445,918.18, 615,878.16 and 293,637.16

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Solution

The fourth proportional to 445,918.18, 615,878.16 and 293,637.16 is: 405,555.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    445,918.18 : 615,878.16 = 293,637.16 : x
  2. Step 2: Convert to fraction form
    445,918.18/615,878.16 = 293,637.16/x
  3. Step 3: Cross multiply
    445,918.18x = 615,878.16 × 293,637.16
  4. Step 4: Simplify right side
    445,918.18x = 180,844,713,808.43
  5. Step 5: Solve for x
    x = 180,844,713,808.43/445,918.18
  6. Step 6: Final answer
    x = 405,555.82

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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.