Home / 387,394.08-581,068.56-174,107.04

Finding the Fourth Proportional to 387,394.08, 581,068.56 and 174,107.04

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Solution

The fourth proportional to 387,394.08, 581,068.56 and 174,107.04 is: 261,150.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    387,394.08 : 581,068.56 = 174,107.04 : x
  2. Step 2: Convert to fraction form
    387,394.08/581,068.56 = 174,107.04/x
  3. Step 3: Cross multiply
    387,394.08x = 581,068.56 × 174,107.04
  4. Step 4: Simplify right side
    387,394.08x = 101,168,127,018.66
  5. Step 5: Solve for x
    x = 101,168,127,018.66/387,394.08
  6. Step 6: Final answer
    x = 261,150.42

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.