Home / 500,159.43-690,220.05-273,804.93

Finding the Fourth Proportional to 500,159.43, 690,220.05 and 273,804.93

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Solution

The fourth proportional to 500,159.43, 690,220.05 and 273,804.93 is: 377,850.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    500,159.43 : 690,220.05 = 273,804.93 : x
  2. Step 2: Convert to fraction form
    500,159.43/690,220.05 = 273,804.93/x
  3. Step 3: Cross multiply
    500,159.43x = 690,220.05 × 273,804.93
  4. Step 4: Simplify right side
    500,159.43x = 188,985,652,474.85
  5. Step 5: Solve for x
    x = 188,985,652,474.85/500,159.43
  6. Step 6: Final answer
    x = 377,850.82

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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.