Home / 249,617.70-374,426.55-221,569.43

Finding the Fourth Proportional to 249,617.70, 374,426.55 and 221,569.43

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Solution

The fourth proportional to 249,617.70, 374,426.55 and 221,569.43 is: 332,354.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    249,617.70 : 374,426.55 = 221,569.43 : x
  2. Step 2: Convert to fraction form
    249,617.70/374,426.55 = 221,569.43/x
  3. Step 3: Cross multiply
    249,617.70x = 374,426.55 × 221,569.43
  4. Step 4: Simplify right side
    249,617.70x = 82,961,475,388.23
  5. Step 5: Solve for x
    x = 82,961,475,388.23/249,617.70
  6. Step 6: Final answer
    x = 332,354.14

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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.