Home / 222,074.47-306,470.64-126,565.75

Finding the Fourth Proportional to 222,074.47, 306,470.64 and 126,565.75

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Solution

The fourth proportional to 222,074.47, 306,470.64 and 126,565.75 is: 174,665.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,074.47 : 306,470.64 = 126,565.75 : x
  2. Step 2: Convert to fraction form
    222,074.47/306,470.64 = 126,565.75/x
  3. Step 3: Cross multiply
    222,074.47x = 306,470.64 × 126,565.75
  4. Step 4: Simplify right side
    222,074.47x = 38,788,686,404.58
  5. Step 5: Solve for x
    x = 38,788,686,404.58/222,074.47
  6. Step 6: Final answer
    x = 174,665.22

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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.