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Finding the Fourth Proportional to 334,987.91, 502,199.25 and 145,305.47

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Solution

The fourth proportional to 334,987.91, 502,199.25 and 145,305.47 is: 217,835.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    334,987.91 : 502,199.25 = 145,305.47 : x
  2. Step 2: Convert to fraction form
    334,987.91/502,199.25 = 145,305.47/x
  3. Step 3: Cross multiply
    334,987.91x = 502,199.25 × 145,305.47
  4. Step 4: Simplify right side
    334,987.91x = 72,972,295,543.90
  5. Step 5: Solve for x
    x = 72,972,295,543.90/334,987.91
  6. Step 6: Final answer
    x = 217,835.61

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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.