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Finding the Fourth Proportional to 384,752.64, 577,151.36 and 104,292.48

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Solution

The fourth proportional to 384,752.64, 577,151.36 and 104,292.48 is: 156,444.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    384,752.64 : 577,151.36 = 104,292.48 : x
  2. Step 2: Convert to fraction form
    384,752.64/577,151.36 = 104,292.48/x
  3. Step 3: Cross multiply
    384,752.64x = 577,151.36 × 104,292.48
  4. Step 4: Simplify right side
    384,752.64x = 60,192,546,669.77
  5. Step 5: Solve for x
    x = 60,192,546,669.77/384,752.64
  6. Step 6: Final answer
    x = 156,444.79

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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.