Home / 279,725.32-386,048.64-170,823.52

Finding the Fourth Proportional to 279,725.32, 386,048.64 and 170,823.52

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Solution

The fourth proportional to 279,725.32, 386,048.64 and 170,823.52 is: 235,753.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    279,725.32 : 386,048.64 = 170,823.52 : x
  2. Step 2: Convert to fraction form
    279,725.32/386,048.64 = 170,823.52/x
  3. Step 3: Cross multiply
    279,725.32x = 386,048.64 × 170,823.52
  4. Step 4: Simplify right side
    279,725.32x = 65,946,187,576.01
  5. Step 5: Solve for x
    x = 65,946,187,576.01/279,725.32
  6. Step 6: Final answer
    x = 235,753.37

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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.