Home / 282,618.18-389,623.37-225,451.52

Finding the Fourth Proportional to 282,618.18, 389,623.37 and 225,451.52

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Solution

The fourth proportional to 282,618.18, 389,623.37 and 225,451.52 is: 310,812.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    282,618.18 : 389,623.37 = 225,451.52 : x
  2. Step 2: Convert to fraction form
    282,618.18/389,623.37 = 225,451.52/x
  3. Step 3: Cross multiply
    282,618.18x = 389,623.37 × 225,451.52
  4. Step 4: Simplify right side
    282,618.18x = 87,841,179,379.74
  5. Step 5: Solve for x
    x = 87,841,179,379.74/282,618.18
  6. Step 6: Final answer
    x = 310,812.20

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.