Home / 500,180.12-690,248.48-270,737.36

Finding the Fourth Proportional to 500,180.12, 690,248.48 and 270,737.36

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Solution

The fourth proportional to 500,180.12, 690,248.48 and 270,737.36 is: 373,617.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    500,180.12 : 690,248.48 = 270,737.36 : x
  2. Step 2: Convert to fraction form
    500,180.12/690,248.48 = 270,737.36/x
  3. Step 3: Cross multiply
    500,180.12x = 690,248.48 × 270,737.36
  4. Step 4: Simplify right side
    500,180.12x = 186,876,051,219.21
  5. Step 5: Solve for x
    x = 186,876,051,219.21/500,180.12
  6. Step 6: Final answer
    x = 373,617.51

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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.