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Finding the Fourth Proportional to 162,309.93, 243,464.90 and 43,981.27

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Solution

The fourth proportional to 162,309.93, 243,464.90 and 43,981.27 is: 65,971.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,309.93 : 243,464.90 = 43,981.27 : x
  2. Step 2: Convert to fraction form
    162,309.93/243,464.90 = 43,981.27/x
  3. Step 3: Cross multiply
    162,309.93x = 243,464.90 × 43,981.27
  4. Step 4: Simplify right side
    162,309.93x = 10,707,895,502.42
  5. Step 5: Solve for x
    x = 10,707,895,502.42/162,309.93
  6. Step 6: Final answer
    x = 65,971.91

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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.