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Finding the Fourth Proportional to 500,581.80, 750,872.70 and 201,205.80

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Solution

The fourth proportional to 500,581.80, 750,872.70 and 201,205.80 is: 301,808.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    500,581.80 : 750,872.70 = 201,205.80 : x
  2. Step 2: Convert to fraction form
    500,581.80/750,872.70 = 201,205.80/x
  3. Step 3: Cross multiply
    500,581.80x = 750,872.70 × 201,205.80
  4. Step 4: Simplify right side
    500,581.80x = 151,079,942,301.66
  5. Step 5: Solve for x
    x = 151,079,942,301.66/500,581.80
  6. Step 6: Final answer
    x = 301,808.70

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1.5x scale

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.