Home / 222,461.41-307,012.49-126,982.46

Finding the Fourth Proportional to 222,461.41, 307,012.49 and 126,982.46

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Solution

The fourth proportional to 222,461.41, 307,012.49 and 126,982.46 is: 175,244.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,461.41 : 307,012.49 = 126,982.46 : x
  2. Step 2: Convert to fraction form
    222,461.41/307,012.49 = 126,982.46/x
  3. Step 3: Cross multiply
    222,461.41x = 307,012.49 × 126,982.46
  4. Step 4: Simplify right side
    222,461.41x = 38,985,199,695.86
  5. Step 5: Solve for x
    x = 38,985,199,695.86/222,461.41
  6. Step 6: Final answer
    x = 175,244.77

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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.