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Finding the Fourth Proportional to 234,128.17, 323,062.32 and 137,295.41

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Solution

The fourth proportional to 234,128.17, 323,062.32 and 137,295.41 is: 189,447.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    234,128.17 : 323,062.32 = 137,295.41 : x
  2. Step 2: Convert to fraction form
    234,128.17/323,062.32 = 137,295.41/x
  3. Step 3: Cross multiply
    234,128.17x = 323,062.32 × 137,295.41
  4. Step 4: Simplify right side
    234,128.17x = 44,354,972,579.50
  5. Step 5: Solve for x
    x = 44,354,972,579.50/234,128.17
  6. Step 6: Final answer
    x = 189,447.40

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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.