Home / 312,890.24-469,348.95-153,100.73

Finding the Fourth Proportional to 312,890.24, 469,348.95 and 153,100.73

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Solution

The fourth proportional to 312,890.24, 469,348.95 and 153,100.73 is: 229,657.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    312,890.24 : 469,348.95 = 153,100.73 : x
  2. Step 2: Convert to fraction form
    312,890.24/469,348.95 = 153,100.73/x
  3. Step 3: Cross multiply
    312,890.24x = 469,348.95 × 153,100.73
  4. Step 4: Simplify right side
    312,890.24x = 71,857,666,869.73
  5. Step 5: Solve for x
    x = 71,857,666,869.73/312,890.24
  6. Step 6: Final answer
    x = 229,657.74

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.