Home / 387,302.16-581,035.84-134,590.24

Finding the Fourth Proportional to 387,302.16, 581,035.84 and 134,590.24

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Solution

The fourth proportional to 387,302.16, 581,035.84 and 134,590.24 is: 201,914.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    387,302.16 : 581,035.84 = 134,590.24 : x
  2. Step 2: Convert to fraction form
    387,302.16/581,035.84 = 134,590.24/x
  3. Step 3: Cross multiply
    387,302.16x = 581,035.84 × 134,590.24
  4. Step 4: Simplify right side
    387,302.16x = 78,201,753,154.20
  5. Step 5: Solve for x
    x = 78,201,753,154.20/387,302.16
  6. Step 6: Final answer
    x = 201,914.06

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1.5x scale

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.