Home / 500,173.13-690,238.95-273,818.63

Finding the Fourth Proportional to 500,173.13, 690,238.95 and 273,818.63

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Solution

The fourth proportional to 500,173.13, 690,238.95 and 273,818.63 is: 377,869.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    500,173.13 : 690,238.95 = 273,818.63 : x
  2. Step 2: Convert to fraction form
    500,173.13/690,238.95 = 273,818.63/x
  3. Step 3: Cross multiply
    500,173.13x = 690,238.95 × 273,818.63
  4. Step 4: Simplify right side
    500,173.13x = 189,000,280,210.44
  5. Step 5: Solve for x
    x = 189,000,280,210.44/500,173.13
  6. Step 6: Final answer
    x = 377,869.72

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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.