Home / 249,947.10-374,920.65-145,035.90

Finding the Fourth Proportional to 249,947.10, 374,920.65 and 145,035.90

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Solution

The fourth proportional to 249,947.10, 374,920.65 and 145,035.90 is: 217,553.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    249,947.10 : 374,920.65 = 145,035.90 : x
  2. Step 2: Convert to fraction form
    249,947.10/374,920.65 = 145,035.90/x
  3. Step 3: Cross multiply
    249,947.10x = 374,920.65 × 145,035.90
  4. Step 4: Simplify right side
    249,947.10x = 54,376,953,901.34
  5. Step 5: Solve for x
    x = 54,376,953,901.34/249,947.10
  6. Step 6: Final answer
    x = 217,553.85

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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.