Home / 222,312.38-306,790.26-126,818.90

Finding the Fourth Proportional to 222,312.38, 306,790.26 and 126,818.90

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Solution

The fourth proportional to 222,312.38, 306,790.26 and 126,818.90 is: 175,009.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,312.38 : 306,790.26 = 126,818.90 : x
  2. Step 2: Convert to fraction form
    222,312.38/306,790.26 = 126,818.90/x
  3. Step 3: Cross multiply
    222,312.38x = 306,790.26 × 126,818.90
  4. Step 4: Simplify right side
    222,312.38x = 38,906,803,303.91
  5. Step 5: Solve for x
    x = 38,906,803,303.91/222,312.38
  6. Step 6: Final answer
    x = 175,009.61

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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.