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Finding the Fourth Proportional to 162,935.10, 244,342.71 and 56,291.72

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Solution

The fourth proportional to 162,935.10, 244,342.71 and 56,291.72 is: 84,416.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,935.10 : 244,342.71 = 56,291.72 : x
  2. Step 2: Convert to fraction form
    162,935.10/244,342.71 = 56,291.72/x
  3. Step 3: Cross multiply
    162,935.10x = 244,342.71 × 56,291.72
  4. Step 4: Simplify right side
    162,935.10x = 13,754,470,193.65
  5. Step 5: Solve for x
    x = 13,754,470,193.65/162,935.10
  6. Step 6: Final answer
    x = 84,416.86

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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.