Home / 460,040.46-690,169.82-144,497.37

Finding the Fourth Proportional to 460,040.46, 690,169.82 and 144,497.37

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Solution

The fourth proportional to 460,040.46, 690,169.82 and 144,497.37 is: 216,780.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    460,040.46 : 690,169.82 = 144,497.37 : x
  2. Step 2: Convert to fraction form
    460,040.46/690,169.82 = 144,497.37/x
  3. Step 3: Cross multiply
    460,040.46x = 690,169.82 × 144,497.37
  4. Step 4: Simplify right side
    460,040.46x = 99,727,721,826.82
  5. Step 5: Solve for x
    x = 99,727,721,826.82/460,040.46
  6. Step 6: Final answer
    x = 216,780.33

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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.