Home / 249,619.70-374,429.55-221,571.43

Finding the Fourth Proportional to 249,619.70, 374,429.55 and 221,571.43

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Solution

The fourth proportional to 249,619.70, 374,429.55 and 221,571.43 is: 332,357.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    249,619.70 : 374,429.55 = 221,571.43 : x
  2. Step 2: Convert to fraction form
    249,619.70/374,429.55 = 221,571.43/x
  3. Step 3: Cross multiply
    249,619.70x = 374,429.55 × 221,571.43
  4. Step 4: Simplify right side
    249,619.70x = 82,962,890,827.76
  5. Step 5: Solve for x
    x = 82,962,890,827.76/249,619.70
  6. Step 6: Final answer
    x = 332,357.15

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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.