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Finding the Fourth Proportional to 329,200.53, 493,800.80 and 92,543.21

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Solution

The fourth proportional to 329,200.53, 493,800.80 and 92,543.21 is: 138,814.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    329,200.53 : 493,800.80 = 92,543.21 : x
  2. Step 2: Convert to fraction form
    329,200.53/493,800.80 = 92,543.21/x
  3. Step 3: Cross multiply
    329,200.53x = 493,800.80 × 92,543.21
  4. Step 4: Simplify right side
    329,200.53x = 45,697,911,132.57
  5. Step 5: Solve for x
    x = 45,697,911,132.57/329,200.53
  6. Step 6: Final answer
    x = 138,814.82

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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.