Home / 382,964.85-574,450.40-130,302.76

Finding the Fourth Proportional to 382,964.85, 574,450.40 and 130,302.76

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Solution

The fourth proportional to 382,964.85, 574,450.40 and 130,302.76 is: 195,455.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    382,964.85 : 574,450.40 = 130,302.76 : x
  2. Step 2: Convert to fraction form
    382,964.85/574,450.40 = 130,302.76/x
  3. Step 3: Cross multiply
    382,964.85x = 574,450.40 × 130,302.76
  4. Step 4: Simplify right side
    382,964.85x = 74,852,472,603.10
  5. Step 5: Solve for x
    x = 74,852,472,603.10/382,964.85
  6. Step 6: Final answer
    x = 195,455.20

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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.