Home / 383,008.05-574,580.52-130,275.63

Finding the Fourth Proportional to 383,008.05, 574,580.52 and 130,275.63

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Solution

The fourth proportional to 383,008.05, 574,580.52 and 130,275.63 is: 195,436.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    383,008.05 : 574,580.52 = 130,275.63 : x
  2. Step 2: Convert to fraction form
    383,008.05/574,580.52 = 130,275.63/x
  3. Step 3: Cross multiply
    383,008.05x = 574,580.52 × 130,275.63
  4. Step 4: Simplify right side
    383,008.05x = 74,853,839,228.73
  5. Step 5: Solve for x
    x = 74,853,839,228.73/383,008.05
  6. Step 6: Final answer
    x = 195,436.73

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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.