Home / 499,499.53-689,295.33-273,140.17

Finding the Fourth Proportional to 499,499.53, 689,295.33 and 273,140.17

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Solution

The fourth proportional to 499,499.53, 689,295.33 and 273,140.17 is: 376,925.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    499,499.53 : 689,295.33 = 273,140.17 : x
  2. Step 2: Convert to fraction form
    499,499.53/689,295.33 = 273,140.17/x
  3. Step 3: Cross multiply
    499,499.53x = 689,295.33 × 273,140.17
  4. Step 4: Simplify right side
    499,499.53x = 188,274,241,893.17
  5. Step 5: Solve for x
    x = 188,274,241,893.17/499,499.53
  6. Step 6: Final answer
    x = 376,925.77

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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.