Home / 373,680.28-515,689.68-203,925.34

Finding the Fourth Proportional to 373,680.28, 515,689.68 and 203,925.34

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Solution

The fourth proportional to 373,680.28, 515,689.68 and 203,925.34 is: 281,422.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    373,680.28 : 515,689.68 = 203,925.34 : x
  2. Step 2: Convert to fraction form
    373,680.28/515,689.68 = 203,925.34/x
  3. Step 3: Cross multiply
    373,680.28x = 515,689.68 × 203,925.34
  4. Step 4: Simplify right side
    373,680.28x = 105,162,193,328.49
  5. Step 5: Solve for x
    x = 105,162,193,328.49/373,680.28
  6. Step 6: Final answer
    x = 281,422.91

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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.