Home / 387,022.80-534,093-217,265.36

Finding the Fourth Proportional to 387,022.80, 534,093 and 217,265.36

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Solution

The fourth proportional to 387,022.80, 534,093 and 217,265.36 is: 299,827.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    387,022.80 : 534,093 = 217,265.36 : x
  2. Step 2: Convert to fraction form
    387,022.80/534,093 = 217,265.36/x
  3. Step 3: Cross multiply
    387,022.80x = 534,093 × 217,265.36
  4. Step 4: Simplify right side
    387,022.80x = 116,039,907,918.48
  5. Step 5: Solve for x
    x = 116,039,907,918.48/387,022.80
  6. Step 6: Final answer
    x = 299,827.06

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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.