Home / 292,664.19-438,996.15-82,302.12

Finding the Fourth Proportional to 292,664.19, 438,996.15 and 82,302.12

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Solution

The fourth proportional to 292,664.19, 438,996.15 and 82,302.12 is: 123,453.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    292,664.19 : 438,996.15 = 82,302.12 : x
  2. Step 2: Convert to fraction form
    292,664.19/438,996.15 = 82,302.12/x
  3. Step 3: Cross multiply
    292,664.19x = 438,996.15 × 82,302.12
  4. Step 4: Simplify right side
    292,664.19x = 36,130,313,816.84
  5. Step 5: Solve for x
    x = 36,130,313,816.84/292,664.19
  6. Step 6: Final answer
    x = 123,453.14

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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.