Home / 220,531.50-304,333.47-119,929.50

Finding the Fourth Proportional to 220,531.50, 304,333.47 and 119,929.50

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Solution

The fourth proportional to 220,531.50, 304,333.47 and 119,929.50 is: 165,502.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,531.50 : 304,333.47 = 119,929.50 : x
  2. Step 2: Convert to fraction form
    220,531.50/304,333.47 = 119,929.50/x
  3. Step 3: Cross multiply
    220,531.50x = 304,333.47 × 119,929.50
  4. Step 4: Simplify right side
    220,531.50x = 36,498,560,890.37
  5. Step 5: Solve for x
    x = 36,498,560,890.37/220,531.50
  6. Step 6: Final answer
    x = 165,502.71

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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.