Home / 212,368.46-318,700.23-137,302.41

Finding the Fourth Proportional to 212,368.46, 318,700.23 and 137,302.41

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Solution

The fourth proportional to 212,368.46, 318,700.23 and 137,302.41 is: 206,049.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,368.46 : 318,700.23 = 137,302.41 : x
  2. Step 2: Convert to fraction form
    212,368.46/318,700.23 = 137,302.41/x
  3. Step 3: Cross multiply
    212,368.46x = 318,700.23 × 137,302.41
  4. Step 4: Simplify right side
    212,368.46x = 43,758,310,326.80
  5. Step 5: Solve for x
    x = 43,758,310,326.80/212,368.46
  6. Step 6: Final answer
    x = 206,049.01

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.