Home / 249,961.68-345,108.06-223,057.92

Finding the Fourth Proportional to 249,961.68, 345,108.06 and 223,057.92

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Solution

The fourth proportional to 249,961.68, 345,108.06 and 223,057.92 is: 307,963.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    249,961.68 : 345,108.06 = 223,057.92 : x
  2. Step 2: Convert to fraction form
    249,961.68/345,108.06 = 223,057.92/x
  3. Step 3: Cross multiply
    249,961.68x = 345,108.06 × 223,057.92
  4. Step 4: Simplify right side
    249,961.68x = 76,979,086,038.84
  5. Step 5: Solve for x
    x = 76,979,086,038.84/249,961.68
  6. Step 6: Final answer
    x = 307,963.55

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.