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Finding the Fourth Proportional to 219,647.80, 303,119.22 and 124,154.88

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Solution

The fourth proportional to 219,647.80, 303,119.22 and 124,154.88 is: 171,336.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,647.80 : 303,119.22 = 124,154.88 : x
  2. Step 2: Convert to fraction form
    219,647.80/303,119.22 = 124,154.88/x
  3. Step 3: Cross multiply
    219,647.80x = 303,119.22 × 124,154.88
  4. Step 4: Simplify right side
    219,647.80x = 37,633,730,384.79
  5. Step 5: Solve for x
    x = 37,633,730,384.79/219,647.80
  6. Step 6: Final answer
    x = 171,336.71

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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.