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Finding the Fourth Proportional to 389,034.84, 583,387.02 and 152,339.88

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Solution

The fourth proportional to 389,034.84, 583,387.02 and 152,339.88 is: 228,445.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    389,034.84 : 583,387.02 = 152,339.88 : x
  2. Step 2: Convert to fraction form
    389,034.84/583,387.02 = 152,339.88/x
  3. Step 3: Cross multiply
    389,034.84x = 583,387.02 × 152,339.88
  4. Step 4: Simplify right side
    389,034.84x = 88,873,108,620.36
  5. Step 5: Solve for x
    x = 88,873,108,620.36/389,034.84
  6. Step 6: Final answer
    x = 228,445.11

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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.