Home / 292,624.15-438,936.23-82,262.09

Finding the Fourth Proportional to 292,624.15, 438,936.23 and 82,262.09

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Solution

The fourth proportional to 292,624.15, 438,936.23 and 82,262.09 is: 123,393.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    292,624.15 : 438,936.23 = 82,262.09 : x
  2. Step 2: Convert to fraction form
    292,624.15/438,936.23 = 82,262.09/x
  3. Step 3: Cross multiply
    292,624.15x = 438,936.23 × 82,262.09
  4. Step 4: Simplify right side
    292,624.15x = 36,107,811,656.52
  5. Step 5: Solve for x
    x = 36,107,811,656.52/292,624.15
  6. Step 6: Final answer
    x = 123,393.14

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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.