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Finding the Fourth Proportional to 534,086.08, 801,108.16 and 134,721.60

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Solution

The fourth proportional to 534,086.08, 801,108.16 and 134,721.60 is: 202,077.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    534,086.08 : 801,108.16 = 134,721.60 : x
  2. Step 2: Convert to fraction form
    534,086.08/801,108.16 = 134,721.60/x
  3. Step 3: Cross multiply
    534,086.08x = 801,108.16 × 134,721.60
  4. Step 4: Simplify right side
    534,086.08x = 107,926,573,088.26
  5. Step 5: Solve for x
    x = 107,926,573,088.26/534,086.08
  6. Step 6: Final answer
    x = 202,077.11

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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.