Home / 382,834.58-574,304.40-130,047.20

Finding the Fourth Proportional to 382,834.58, 574,304.40 and 130,047.20

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Solution

The fourth proportional to 382,834.58, 574,304.40 and 130,047.20 is: 195,088.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    382,834.58 : 574,304.40 = 130,047.20 : x
  2. Step 2: Convert to fraction form
    382,834.58/574,304.40 = 130,047.20/x
  3. Step 3: Cross multiply
    382,834.58x = 574,304.40 × 130,047.20
  4. Step 4: Simplify right side
    382,834.58x = 74,686,679,167.68
  5. Step 5: Solve for x
    x = 74,686,679,167.68/382,834.58
  6. Step 6: Final answer
    x = 195,088.64

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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.