Home / 382,878.06-574,379.28-130,181.10

Finding the Fourth Proportional to 382,878.06, 574,379.28 and 130,181.10

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Solution

The fourth proportional to 382,878.06, 574,379.28 and 130,181.10 is: 195,292.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    382,878.06 : 574,379.28 = 130,181.10 : x
  2. Step 2: Convert to fraction form
    382,878.06/574,379.28 = 130,181.10/x
  3. Step 3: Cross multiply
    382,878.06x = 574,379.28 × 130,181.10
  4. Step 4: Simplify right side
    382,878.06x = 74,773,326,487.61
  5. Step 5: Solve for x
    x = 74,773,326,487.61/382,878.06
  6. Step 6: Final answer
    x = 195,292.80

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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.