Home / 500,099.52-690,139.20-273,766.08

Finding the Fourth Proportional to 500,099.52, 690,139.20 and 273,766.08

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Solution

The fourth proportional to 500,099.52, 690,139.20 and 273,766.08 is: 377,798.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    500,099.52 : 690,139.20 = 273,766.08 : x
  2. Step 2: Convert to fraction form
    500,099.52/690,139.20 = 273,766.08/x
  3. Step 3: Cross multiply
    500,099.52x = 690,139.20 × 273,766.08
  4. Step 4: Simplify right side
    500,099.52x = 188,936,703,438.34
  5. Step 5: Solve for x
    x = 188,936,703,438.34/500,099.52
  6. Step 6: Final answer
    x = 377,798.21

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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.