Home / 460,079.82-690,189.39-144,507.06

Finding the Fourth Proportional to 460,079.82, 690,189.39 and 144,507.06

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Solution

The fourth proportional to 460,079.82, 690,189.39 and 144,507.06 is: 216,782.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    460,079.82 : 690,189.39 = 144,507.06 : x
  2. Step 2: Convert to fraction form
    460,079.82/690,189.39 = 144,507.06/x
  3. Step 3: Cross multiply
    460,079.82x = 690,189.39 × 144,507.06
  4. Step 4: Simplify right side
    460,079.82x = 99,737,239,592.09
  5. Step 5: Solve for x
    x = 99,737,239,592.09/460,079.82
  6. Step 6: Final answer
    x = 216,782.47

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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.