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Finding the Fourth Proportional to 236,727, 326,683.24 and 129,297.28

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Solution

The fourth proportional to 236,727, 326,683.24 and 129,297.28 is: 178,430.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,727 : 326,683.24 = 129,297.28 : x
  2. Step 2: Convert to fraction form
    236,727/326,683.24 = 129,297.28/x
  3. Step 3: Cross multiply
    236,727x = 326,683.24 × 129,297.28
  4. Step 4: Simplify right side
    236,727x = 42,239,254,353.59
  5. Step 5: Solve for x
    x = 42,239,254,353.59/236,727
  6. Step 6: Final answer
    x = 178,430.24

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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.