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Finding the Fourth Proportional to 162,959.40, 244,439.10 and 57,764.70

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Solution

The fourth proportional to 162,959.40, 244,439.10 and 57,764.70 is: 86,647.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,959.40 : 244,439.10 = 57,764.70 : x
  2. Step 2: Convert to fraction form
    162,959.40/244,439.10 = 57,764.70/x
  3. Step 3: Cross multiply
    162,959.40x = 244,439.10 × 57,764.70
  4. Step 4: Simplify right side
    162,959.40x = 14,119,951,279.77
  5. Step 5: Solve for x
    x = 14,119,951,279.77/162,959.40
  6. Step 6: Final answer
    x = 86,647.05

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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.