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Finding the Fourth Proportional to 162,893.10, 244,351.80 and 57,698.40

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Solution

The fourth proportional to 162,893.10, 244,351.80 and 57,698.40 is: 86,551.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,893.10 : 244,351.80 = 57,698.40 : x
  2. Step 2: Convert to fraction form
    162,893.10/244,351.80 = 57,698.40/x
  3. Step 3: Cross multiply
    162,893.10x = 244,351.80 × 57,698.40
  4. Step 4: Simplify right side
    162,893.10x = 14,098,707,897.12
  5. Step 5: Solve for x
    x = 14,098,707,897.12/162,893.10
  6. Step 6: Final answer
    x = 86,551.90

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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.