Home / 383,219.07-574,471.19-130,326.75

Finding the Fourth Proportional to 383,219.07, 574,471.19 and 130,326.75

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Solution

The fourth proportional to 383,219.07, 574,471.19 and 130,326.75 is: 195,368.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    383,219.07 : 574,471.19 = 130,326.75 : x
  2. Step 2: Convert to fraction form
    383,219.07/574,471.19 = 130,326.75/x
  3. Step 3: Cross multiply
    383,219.07x = 574,471.19 × 130,326.75
  4. Step 4: Simplify right side
    383,219.07x = 74,868,962,509.70
  5. Step 5: Solve for x
    x = 74,868,962,509.70/383,219.07
  6. Step 6: Final answer
    x = 195,368.57

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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.