Home / 306,571.32-423,076.50-170,614.44

Finding the Fourth Proportional to 306,571.32, 423,076.50 and 170,614.44

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Solution

The fourth proportional to 306,571.32, 423,076.50 and 170,614.44 is: 235,452.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    306,571.32 : 423,076.50 = 170,614.44 : x
  2. Step 2: Convert to fraction form
    306,571.32/423,076.50 = 170,614.44/x
  3. Step 3: Cross multiply
    306,571.32x = 423,076.50 × 170,614.44
  4. Step 4: Simplify right side
    306,571.32x = 72,182,960,124.66
  5. Step 5: Solve for x
    x = 72,182,960,124.66/306,571.32
  6. Step 6: Final answer
    x = 235,452.42

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1.5x scale

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.