Home / 287,966.79-397,209.15-174,789.54

Finding the Fourth Proportional to 287,966.79, 397,209.15 and 174,789.54

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Solution

The fourth proportional to 287,966.79, 397,209.15 and 174,789.54 is: 241,097.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    287,966.79 : 397,209.15 = 174,789.54 : x
  2. Step 2: Convert to fraction form
    287,966.79/397,209.15 = 174,789.54/x
  3. Step 3: Cross multiply
    287,966.79x = 397,209.15 × 174,789.54
  4. Step 4: Simplify right side
    287,966.79x = 69,428,004,612.29
  5. Step 5: Solve for x
    x = 69,428,004,612.29/287,966.79
  6. Step 6: Final answer
    x = 241,097.26

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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.