Home / 421,828.80-582,033.72-249,800.80

Finding the Fourth Proportional to 421,828.80, 582,033.72 and 249,800.80

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Solution

The fourth proportional to 421,828.80, 582,033.72 and 249,800.80 is: 344,671.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    421,828.80 : 582,033.72 = 249,800.80 : x
  2. Step 2: Convert to fraction form
    421,828.80/582,033.72 = 249,800.80/x
  3. Step 3: Cross multiply
    421,828.80x = 582,033.72 × 249,800.80
  4. Step 4: Simplify right side
    421,828.80x = 145,392,488,882.98
  5. Step 5: Solve for x
    x = 145,392,488,882.98/421,828.80
  6. Step 6: Final answer
    x = 344,671.79

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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.