Home / 329,557.20-454,446.60-281,968.08

Finding the Fourth Proportional to 329,557.20, 454,446.60 and 281,968.08

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Solution

The fourth proportional to 329,557.20, 454,446.60 and 281,968.08 is: 388,823.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    329,557.20 : 454,446.60 = 281,968.08 : x
  2. Step 2: Convert to fraction form
    329,557.20/454,446.60 = 281,968.08/x
  3. Step 3: Cross multiply
    329,557.20x = 454,446.60 × 281,968.08
  4. Step 4: Simplify right side
    329,557.20x = 128,139,435,264.53
  5. Step 5: Solve for x
    x = 128,139,435,264.53/329,557.20
  6. Step 6: Final answer
    x = 388,823.05

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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.