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Finding the Fourth Proportional to 329,348.07, 454,500.18 and 178,445.07

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Solution

The fourth proportional to 329,348.07, 454,500.18 and 178,445.07 is: 246,254.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    329,348.07 : 454,500.18 = 178,445.07 : x
  2. Step 2: Convert to fraction form
    329,348.07/454,500.18 = 178,445.07/x
  3. Step 3: Cross multiply
    329,348.07x = 454,500.18 × 178,445.07
  4. Step 4: Simplify right side
    329,348.07x = 81,103,316,435.11
  5. Step 5: Solve for x
    x = 81,103,316,435.11/329,348.07
  6. Step 6: Final answer
    x = 246,254.11

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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.