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Finding the Fourth Proportional to 329,333.63, 454,229.63 and 283,471.32

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Solution

The fourth proportional to 329,333.63, 454,229.63 and 283,471.32 is: 390,974.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    329,333.63 : 454,229.63 = 283,471.32 : x
  2. Step 2: Convert to fraction form
    329,333.63/454,229.63 = 283,471.32/x
  3. Step 3: Cross multiply
    329,333.63x = 454,229.63 × 283,471.32
  4. Step 4: Simplify right side
    329,333.63x = 128,761,071,381.86
  5. Step 5: Solve for x
    x = 128,761,071,381.86/329,333.63
  6. Step 6: Final answer
    x = 390,974.57

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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.