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Finding the Fourth Proportional to 648,001.60, 971,289.60 and 227,060.80

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Solution

The fourth proportional to 648,001.60, 971,289.60 and 227,060.80 is: 340,341.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    648,001.60 : 971,289.60 = 227,060.80 : x
  2. Step 2: Convert to fraction form
    648,001.60/971,289.60 = 227,060.80/x
  3. Step 3: Cross multiply
    648,001.60x = 971,289.60 × 227,060.80
  4. Step 4: Simplify right side
    648,001.60x = 220,541,793,607.68
  5. Step 5: Solve for x
    x = 220,541,793,607.68/648,001.60
  6. Step 6: Final answer
    x = 340,341.43

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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.