Home / 379,626.16-569,432.04-113,387.44

Finding the Fourth Proportional to 379,626.16, 569,432.04 and 113,387.44

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Solution

The fourth proportional to 379,626.16, 569,432.04 and 113,387.44 is: 170,079.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    379,626.16 : 569,432.04 = 113,387.44 : x
  2. Step 2: Convert to fraction form
    379,626.16/569,432.04 = 113,387.44/x
  3. Step 3: Cross multiply
    379,626.16x = 569,432.04 × 113,387.44
  4. Step 4: Simplify right side
    379,626.16x = 64,566,441,269.58
  5. Step 5: Solve for x
    x = 64,566,441,269.58/379,626.16
  6. Step 6: Final answer
    x = 170,079.01

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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.