Home / 282,931.14-424,396.82-69,703.20

Finding the Fourth Proportional to 282,931.14, 424,396.82 and 69,703.20

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Solution

The fourth proportional to 282,931.14, 424,396.82 and 69,703.20 is: 104,554.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    282,931.14 : 424,396.82 = 69,703.20 : x
  2. Step 2: Convert to fraction form
    282,931.14/424,396.82 = 69,703.20/x
  3. Step 3: Cross multiply
    282,931.14x = 424,396.82 × 69,703.20
  4. Step 4: Simplify right side
    282,931.14x = 29,581,816,423.82
  5. Step 5: Solve for x
    x = 29,581,816,423.82/282,931.14
  6. Step 6: Final answer
    x = 104,554.83

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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.