Home / 249,108.40-373,721.92-80,628.76

Finding the Fourth Proportional to 249,108.40, 373,721.92 and 80,628.76

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Solution

The fourth proportional to 249,108.40, 373,721.92 and 80,628.76 is: 120,962.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    249,108.40 : 373,721.92 = 80,628.76 : x
  2. Step 2: Convert to fraction form
    249,108.40/373,721.92 = 80,628.76/x
  3. Step 3: Cross multiply
    249,108.40x = 373,721.92 × 80,628.76
  4. Step 4: Simplify right side
    249,108.40x = 30,132,734,208.91
  5. Step 5: Solve for x
    x = 30,132,734,208.91/249,108.40
  6. Step 6: Final answer
    x = 120,962.33

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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.