Home / 282,768.28-424,141.35-95,779.78

Finding the Fourth Proportional to 282,768.28, 424,141.35 and 95,779.78

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Solution

The fourth proportional to 282,768.28, 424,141.35 and 95,779.78 is: 143,665.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    282,768.28 : 424,141.35 = 95,779.78 : x
  2. Step 2: Convert to fraction form
    282,768.28/424,141.35 = 95,779.78/x
  3. Step 3: Cross multiply
    282,768.28x = 424,141.35 × 95,779.78
  4. Step 4: Simplify right side
    282,768.28x = 40,624,165,191.90
  5. Step 5: Solve for x
    x = 40,624,165,191.90/282,768.28
  6. Step 6: Final answer
    x = 143,665.92

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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.