Home / 251,472.08-347,024.54-138,294.83

Finding the Fourth Proportional to 251,472.08, 347,024.54 and 138,294.83

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Solution

The fourth proportional to 251,472.08, 347,024.54 and 138,294.83 is: 190,843.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,472.08 : 347,024.54 = 138,294.83 : x
  2. Step 2: Convert to fraction form
    251,472.08/347,024.54 = 138,294.83/x
  3. Step 3: Cross multiply
    251,472.08x = 347,024.54 × 138,294.83
  4. Step 4: Simplify right side
    251,472.08x = 47,991,700,978.43
  5. Step 5: Solve for x
    x = 47,991,700,978.43/251,472.08
  6. Step 6: Final answer
    x = 190,843.06

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.