Home / 389,811.70-584,263.95-179,470.90

Finding the Fourth Proportional to 389,811.70, 584,263.95 and 179,470.90

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Solution

The fourth proportional to 389,811.70, 584,263.95 and 179,470.90 is: 268,997.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    389,811.70 : 584,263.95 = 179,470.90 : x
  2. Step 2: Convert to fraction form
    389,811.70/584,263.95 = 179,470.90/x
  3. Step 3: Cross multiply
    389,811.70x = 584,263.95 × 179,470.90
  4. Step 4: Simplify right side
    389,811.70x = 104,858,376,944.06
  5. Step 5: Solve for x
    x = 104,858,376,944.06/389,811.70
  6. Step 6: Final answer
    x = 268,997.51

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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.