Home / 229,728.17-344,367.28-128,575.61

Finding the Fourth Proportional to 229,728.17, 344,367.28 and 128,575.61

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Solution

The fourth proportional to 229,728.17, 344,367.28 and 128,575.61 is: 192,737.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    229,728.17 : 344,367.28 = 128,575.61 : x
  2. Step 2: Convert to fraction form
    229,728.17/344,367.28 = 128,575.61/x
  3. Step 3: Cross multiply
    229,728.17x = 344,367.28 × 128,575.61
  4. Step 4: Simplify right side
    229,728.17x = 44,277,232,447.16
  5. Step 5: Solve for x
    x = 44,277,232,447.16/229,728.17
  6. Step 6: Final answer
    x = 192,737.50

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.