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Finding the Fourth Proportional to 467,269.50, 644,831.42 and 252,409.53

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Solution

The fourth proportional to 467,269.50, 644,831.42 and 252,409.53 is: 348,324.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    467,269.50 : 644,831.42 = 252,409.53 : x
  2. Step 2: Convert to fraction form
    467,269.50/644,831.42 = 252,409.53/x
  3. Step 3: Cross multiply
    467,269.50x = 644,831.42 × 252,409.53
  4. Step 4: Simplify right side
    467,269.50x = 162,761,594,389.39
  5. Step 5: Solve for x
    x = 162,761,594,389.39/467,269.50
  6. Step 6: Final answer
    x = 348,324.88

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.