Home / 239,922.81-330,723-172,016.46

Finding the Fourth Proportional to 239,922.81, 330,723 and 172,016.46

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Solution

The fourth proportional to 239,922.81, 330,723 and 172,016.46 is: 237,117.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,922.81 : 330,723 = 172,016.46 : x
  2. Step 2: Convert to fraction form
    239,922.81/330,723 = 172,016.46/x
  3. Step 3: Cross multiply
    239,922.81x = 330,723 × 172,016.46
  4. Step 4: Simplify right side
    239,922.81x = 56,889,799,700.58
  5. Step 5: Solve for x
    x = 56,889,799,700.58/239,922.81
  6. Step 6: Final answer
    x = 237,117.09

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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.