Home / 249,618.70-374,428.05-221,570.43

Finding the Fourth Proportional to 249,618.70, 374,428.05 and 221,570.43

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Solution

The fourth proportional to 249,618.70, 374,428.05 and 221,570.43 is: 332,355.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    249,618.70 : 374,428.05 = 221,570.43 : x
  2. Step 2: Convert to fraction form
    249,618.70/374,428.05 = 221,570.43/x
  3. Step 3: Cross multiply
    249,618.70x = 374,428.05 × 221,570.43
  4. Step 4: Simplify right side
    249,618.70x = 82,962,184,042.56
  5. Step 5: Solve for x
    x = 82,962,184,042.56/249,618.70
  6. Step 6: Final answer
    x = 332,355.65

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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.