Home / 382,960.85-574,444.40-130,298.76

Finding the Fourth Proportional to 382,960.85, 574,444.40 and 130,298.76

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Solution

The fourth proportional to 382,960.85, 574,444.40 and 130,298.76 is: 195,449.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    382,960.85 : 574,444.40 = 130,298.76 : x
  2. Step 2: Convert to fraction form
    382,960.85/574,444.40 = 130,298.76/x
  3. Step 3: Cross multiply
    382,960.85x = 574,444.40 × 130,298.76
  4. Step 4: Simplify right side
    382,960.85x = 74,849,392,357.45
  5. Step 5: Solve for x
    x = 74,849,392,357.45/382,960.85
  6. Step 6: Final answer
    x = 195,449.20

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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.