Home / 231,322.20-347,038.74-79,516.68

Finding the Fourth Proportional to 231,322.20, 347,038.74 and 79,516.68

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Solution

The fourth proportional to 231,322.20, 347,038.74 and 79,516.68 is: 119,294.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    231,322.20 : 347,038.74 = 79,516.68 : x
  2. Step 2: Convert to fraction form
    231,322.20/347,038.74 = 79,516.68/x
  3. Step 3: Cross multiply
    231,322.20x = 347,038.74 × 79,516.68
  4. Step 4: Simplify right side
    231,322.20x = 27,595,368,436.18
  5. Step 5: Solve for x
    x = 27,595,368,436.18/231,322.20
  6. Step 6: Final answer
    x = 119,294.08

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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.