Home / 500,161.68-690,223.03-270,718.90

Finding the Fourth Proportional to 500,161.68, 690,223.03 and 270,718.90

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Solution

The fourth proportional to 500,161.68, 690,223.03 and 270,718.90 is: 373,592.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    500,161.68 : 690,223.03 = 270,718.90 : x
  2. Step 2: Convert to fraction form
    500,161.68/690,223.03 = 270,718.90/x
  3. Step 3: Cross multiply
    500,161.68x = 690,223.03 × 270,718.90
  4. Step 4: Simplify right side
    500,161.68x = 186,856,418,049.11
  5. Step 5: Solve for x
    x = 186,856,418,049.11/500,161.68
  6. Step 6: Final answer
    x = 373,592.03

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.