Home / 250,080.61-345,272.25-223,176.91

Finding the Fourth Proportional to 250,080.61, 345,272.25 and 223,176.91

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Solution

The fourth proportional to 250,080.61, 345,272.25 and 223,176.91 is: 308,127.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    250,080.61 : 345,272.25 = 223,176.91 : x
  2. Step 2: Convert to fraction form
    250,080.61/345,272.25 = 223,176.91/x
  3. Step 3: Cross multiply
    250,080.61x = 345,272.25 × 223,176.91
  4. Step 4: Simplify right side
    250,080.61x = 77,056,793,863.75
  5. Step 5: Solve for x
    x = 77,056,793,863.75/250,080.61
  6. Step 6: Final answer
    x = 308,127.82

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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.