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Finding the Fourth Proportional to 293,254.35, 439,127.56 and 203,168.80

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Solution

The fourth proportional to 293,254.35, 439,127.56 and 203,168.80 is: 304,230.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    293,254.35 : 439,127.56 = 203,168.80 : x
  2. Step 2: Convert to fraction form
    293,254.35/439,127.56 = 203,168.80/x
  3. Step 3: Cross multiply
    293,254.35x = 439,127.56 × 203,168.80
  4. Step 4: Simplify right side
    293,254.35x = 89,217,019,412.13
  5. Step 5: Solve for x
    x = 89,217,019,412.13/293,254.35
  6. Step 6: Final answer
    x = 304,230.85

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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.