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Finding the Fourth Proportional to 250,079.61, 345,270.87 and 223,175.91

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Solution

The fourth proportional to 250,079.61, 345,270.87 and 223,175.91 is: 308,126.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    250,079.61 : 345,270.87 = 223,175.91 : x
  2. Step 2: Convert to fraction form
    250,079.61/345,270.87 = 223,175.91/x
  3. Step 3: Cross multiply
    250,079.61x = 345,270.87 × 223,175.91
  4. Step 4: Simplify right side
    250,079.61x = 77,056,140,608.74
  5. Step 5: Solve for x
    x = 77,056,140,608.74/250,079.61
  6. Step 6: Final answer
    x = 308,126.44

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.