Home / 460,616.75-690,949.87-145,098.35

Finding the Fourth Proportional to 460,616.75, 690,949.87 and 145,098.35

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Solution

The fourth proportional to 460,616.75, 690,949.87 and 145,098.35 is: 217,655.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    460,616.75 : 690,949.87 = 145,098.35 : x
  2. Step 2: Convert to fraction form
    460,616.75/690,949.87 = 145,098.35/x
  3. Step 3: Cross multiply
    460,616.75x = 690,949.87 × 145,098.35
  4. Step 4: Simplify right side
    460,616.75x = 100,255,682,252.22
  5. Step 5: Solve for x
    x = 100,255,682,252.22/460,616.75
  6. Step 6: Final answer
    x = 217,655.31

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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.