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Finding the Fourth Proportional to 246,494.72, 369,742.06 and 80,282.72

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Solution

The fourth proportional to 246,494.72, 369,742.06 and 80,282.72 is: 120,424.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    246,494.72 : 369,742.06 = 80,282.72 : x
  2. Step 2: Convert to fraction form
    246,494.72/369,742.06 = 80,282.72/x
  3. Step 3: Cross multiply
    246,494.72x = 369,742.06 × 80,282.72
  4. Step 4: Simplify right side
    246,494.72x = 29,683,898,275.20
  5. Step 5: Solve for x
    x = 29,683,898,275.20/246,494.72
  6. Step 6: Final answer
    x = 120,424.07

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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.