Home / 221,790.95-306,074.46-126,298.02

Finding the Fourth Proportional to 221,790.95, 306,074.46 and 126,298.02

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Solution

The fourth proportional to 221,790.95, 306,074.46 and 126,298.02 is: 174,292.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    221,790.95 : 306,074.46 = 126,298.02 : x
  2. Step 2: Convert to fraction form
    221,790.95/306,074.46 = 126,298.02/x
  3. Step 3: Cross multiply
    221,790.95x = 306,074.46 × 126,298.02
  4. Step 4: Simplify right side
    221,790.95x = 38,656,598,270.57
  5. Step 5: Solve for x
    x = 38,656,598,270.57/221,790.95
  6. Step 6: Final answer
    x = 174,292.95

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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.