Home / 279,929.52-386,292.96-152,602.56

Finding the Fourth Proportional to 279,929.52, 386,292.96 and 152,602.56

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Solution

The fourth proportional to 279,929.52, 386,292.96 and 152,602.56 is: 210,586.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    279,929.52 : 386,292.96 = 152,602.56 : x
  2. Step 2: Convert to fraction form
    279,929.52/386,292.96 = 152,602.56/x
  3. Step 3: Cross multiply
    279,929.52x = 386,292.96 × 152,602.56
  4. Step 4: Simplify right side
    279,929.52x = 58,949,294,605.98
  5. Step 5: Solve for x
    x = 58,949,294,605.98/279,929.52
  6. Step 6: Final answer
    x = 210,586.20

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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.