Home / 344,313.35-516,470.03-289,200.95

Finding the Fourth Proportional to 344,313.35, 516,470.03 and 289,200.95

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Solution

The fourth proportional to 344,313.35, 516,470.03 and 289,200.95 is: 433,801.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    344,313.35 : 516,470.03 = 289,200.95 : x
  2. Step 2: Convert to fraction form
    344,313.35/516,470.03 = 289,200.95/x
  3. Step 3: Cross multiply
    344,313.35x = 516,470.03 × 289,200.95
  4. Step 4: Simplify right side
    344,313.35x = 149,363,621,876.52
  5. Step 5: Solve for x
    x = 149,363,621,876.52/344,313.35
  6. Step 6: Final answer
    x = 433,801.43

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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.