Home / 828,225.14-1,242,365.31-229,136.13

Finding the Fourth Proportional to 828,225.14, 1,242,365.31 and 229,136.13

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Solution

The fourth proportional to 828,225.14, 1,242,365.31 and 229,136.13 is: 343,711.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    828,225.14 : 1,242,365.31 = 229,136.13 : x
  2. Step 2: Convert to fraction form
    828,225.14/1,242,365.31 = 229,136.13/x
  3. Step 3: Cross multiply
    828,225.14x = 1,242,365.31 × 229,136.13
  4. Step 4: Simplify right side
    828,225.14x = 284,670,779,179.65
  5. Step 5: Solve for x
    x = 284,670,779,179.65/828,225.14
  6. Step 6: Final answer
    x = 343,711.83

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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.