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Finding the Fourth Proportional to 384,777.20, 577,165.80 and 104,294.45

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Solution

The fourth proportional to 384,777.20, 577,165.80 and 104,294.45 is: 156,441.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    384,777.20 : 577,165.80 = 104,294.45 : x
  2. Step 2: Convert to fraction form
    384,777.20/577,165.80 = 104,294.45/x
  3. Step 3: Cross multiply
    384,777.20x = 577,165.80 × 104,294.45
  4. Step 4: Simplify right side
    384,777.20x = 60,195,189,669.81
  5. Step 5: Solve for x
    x = 60,195,189,669.81/384,777.20
  6. Step 6: Final answer
    x = 156,441.68

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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.