Home / 329,436.73-454,283.26-281,847.61

Finding the Fourth Proportional to 329,436.73, 454,283.26 and 281,847.61

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Solution

The fourth proportional to 329,436.73, 454,283.26 and 281,847.61 is: 388,659.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    329,436.73 : 454,283.26 = 281,847.61 : x
  2. Step 2: Convert to fraction form
    329,436.73/454,283.26 = 281,847.61/x
  3. Step 3: Cross multiply
    329,436.73x = 454,283.26 × 281,847.61
  4. Step 4: Simplify right side
    329,436.73x = 128,038,651,094.01
  5. Step 5: Solve for x
    x = 128,038,651,094.01/329,436.73
  6. Step 6: Final answer
    x = 388,659.31

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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.