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Finding the Fourth Proportional to 342,593.60, 513,890.40 and 242,866.40

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Solution

The fourth proportional to 342,593.60, 513,890.40 and 242,866.40 is: 364,299.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    342,593.60 : 513,890.40 = 242,866.40 : x
  2. Step 2: Convert to fraction form
    342,593.60/513,890.40 = 242,866.40/x
  3. Step 3: Cross multiply
    342,593.60x = 513,890.40 × 242,866.40
  4. Step 4: Simplify right side
    342,593.60x = 124,806,711,442.56
  5. Step 5: Solve for x
    x = 124,806,711,442.56/342,593.60
  6. Step 6: Final answer
    x = 364,299.60

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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.