Home / 460,033.43-690,125.03-135,854.31

Finding the Fourth Proportional to 460,033.43, 690,125.03 and 135,854.31

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Solution

The fourth proportional to 460,033.43, 690,125.03 and 135,854.31 is: 203,803.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    460,033.43 : 690,125.03 = 135,854.31 : x
  2. Step 2: Convert to fraction form
    460,033.43/690,125.03 = 135,854.31/x
  3. Step 3: Cross multiply
    460,033.43x = 690,125.03 × 135,854.31
  4. Step 4: Simplify right side
    460,033.43x = 93,756,460,273.83
  5. Step 5: Solve for x
    x = 93,756,460,273.83/460,033.43
  6. Step 6: Final answer
    x = 203,803.58

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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.