Home / 344,272.80-516,409.20-305,890.95

Finding the Fourth Proportional to 344,272.80, 516,409.20 and 305,890.95

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Solution

The fourth proportional to 344,272.80, 516,409.20 and 305,890.95 is: 458,836.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    344,272.80 : 516,409.20 = 305,890.95 : x
  2. Step 2: Convert to fraction form
    344,272.80/516,409.20 = 305,890.95/x
  3. Step 3: Cross multiply
    344,272.80x = 516,409.20 × 305,890.95
  4. Step 4: Simplify right side
    344,272.80x = 157,964,900,776.74
  5. Step 5: Solve for x
    x = 157,964,900,776.74/344,272.80
  6. Step 6: Final answer
    x = 458,836.43

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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.