Home / 438,996.60-658,480.20-186,114.36

Finding the Fourth Proportional to 438,996.60, 658,480.20 and 186,114.36

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Solution

The fourth proportional to 438,996.60, 658,480.20 and 186,114.36 is: 279,165.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    438,996.60 : 658,480.20 = 186,114.36 : x
  2. Step 2: Convert to fraction form
    438,996.60/658,480.20 = 186,114.36/x
  3. Step 3: Cross multiply
    438,996.60x = 658,480.20 × 186,114.36
  4. Step 4: Simplify right side
    438,996.60x = 122,552,620,995.67
  5. Step 5: Solve for x
    x = 122,552,620,995.67/438,996.60
  6. Step 6: Final answer
    x = 279,165.31

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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.