Home / 250,081.61-345,273.63-223,177.91

Finding the Fourth Proportional to 250,081.61, 345,273.63 and 223,177.91

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Solution

The fourth proportional to 250,081.61, 345,273.63 and 223,177.91 is: 308,129.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    250,081.61 : 345,273.63 = 223,177.91 : x
  2. Step 2: Convert to fraction form
    250,081.61/345,273.63 = 223,177.91/x
  3. Step 3: Cross multiply
    250,081.61x = 345,273.63 × 223,177.91
  4. Step 4: Simplify right side
    250,081.61x = 77,057,447,121.51
  5. Step 5: Solve for x
    x = 77,057,447,121.51/250,081.61
  6. Step 6: Final answer
    x = 308,129.20

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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.