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Finding the Fourth Proportional to 162,252.62, 243,379.12 and 42,309.47

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Solution

The fourth proportional to 162,252.62, 243,379.12 and 42,309.47 is: 63,464.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,252.62 : 243,379.12 = 42,309.47 : x
  2. Step 2: Convert to fraction form
    162,252.62/243,379.12 = 42,309.47/x
  3. Step 3: Cross multiply
    162,252.62x = 243,379.12 × 42,309.47
  4. Step 4: Simplify right side
    162,252.62x = 10,297,240,147.82
  5. Step 5: Solve for x
    x = 10,297,240,147.82/162,252.62
  6. Step 6: Final answer
    x = 63,464.25

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1.5x scale

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.