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Finding the Fourth Proportional to 342,294.40, 512,059.20 and 296,060.80

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Solution

The fourth proportional to 342,294.40, 512,059.20 and 296,060.80 is: 442,895.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    342,294.40 : 512,059.20 = 296,060.80 : x
  2. Step 2: Convert to fraction form
    342,294.40/512,059.20 = 296,060.80/x
  3. Step 3: Cross multiply
    342,294.40x = 512,059.20 × 296,060.80
  4. Step 4: Simplify right side
    342,294.40x = 151,600,656,399.36
  5. Step 5: Solve for x
    x = 151,600,656,399.36/342,294.40
  6. Step 6: Final answer
    x = 442,895.52

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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.