Home / 382,731.04-574,135.68-146,272.72

Finding the Fourth Proportional to 382,731.04, 574,135.68 and 146,272.72

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Solution

The fourth proportional to 382,731.04, 574,135.68 and 146,272.72 is: 219,424.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    382,731.04 : 574,135.68 = 146,272.72 : x
  2. Step 2: Convert to fraction form
    382,731.04/574,135.68 = 146,272.72/x
  3. Step 3: Cross multiply
    382,731.04x = 574,135.68 × 146,272.72
  4. Step 4: Simplify right side
    382,731.04x = 83,980,387,562.65
  5. Step 5: Solve for x
    x = 83,980,387,562.65/382,731.04
  6. Step 6: Final answer
    x = 219,424.03

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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.