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Finding the Fourth Proportional to 364,553.60, 546,830.40 and 231,000.80

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Solution

The fourth proportional to 364,553.60, 546,830.40 and 231,000.80 is: 346,501.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    364,553.60 : 546,830.40 = 231,000.80 : x
  2. Step 2: Convert to fraction form
    364,553.60/546,830.40 = 231,000.80/x
  3. Step 3: Cross multiply
    364,553.60x = 546,830.40 × 231,000.80
  4. Step 4: Simplify right side
    364,553.60x = 126,318,259,864.32
  5. Step 5: Solve for x
    x = 126,318,259,864.32/364,553.60
  6. Step 6: Final answer
    x = 346,501.20

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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.