Home / 460,013.68-690,161.71-235,531.72

Finding the Fourth Proportional to 460,013.68, 690,161.71 and 235,531.72

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Solution

The fourth proportional to 460,013.68, 690,161.71 and 235,531.72 is: 353,369.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    460,013.68 : 690,161.71 = 235,531.72 : x
  2. Step 2: Convert to fraction form
    460,013.68/690,161.71 = 235,531.72/x
  3. Step 3: Cross multiply
    460,013.68x = 690,161.71 × 235,531.72
  4. Step 4: Simplify right side
    460,013.68x = 162,554,973,456.78
  5. Step 5: Solve for x
    x = 162,554,973,456.78/460,013.68
  6. Step 6: Final answer
    x = 353,369.87

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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.