Home / 460,419.26-690,563.28-144,867.97

Finding the Fourth Proportional to 460,419.26, 690,563.28 and 144,867.97

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Solution

The fourth proportional to 460,419.26, 690,563.28 and 144,867.97 is: 217,281.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    460,419.26 : 690,563.28 = 144,867.97 : x
  2. Step 2: Convert to fraction form
    460,419.26/690,563.28 = 144,867.97/x
  3. Step 3: Cross multiply
    460,419.26x = 690,563.28 × 144,867.97
  4. Step 4: Simplify right side
    460,419.26x = 100,040,500,530.14
  5. Step 5: Solve for x
    x = 100,040,500,530.14/460,419.26
  6. Step 6: Final answer
    x = 217,281.31

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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.