Home / 438,788.14-658,051.80-186,064.90

Finding the Fourth Proportional to 438,788.14, 658,051.80 and 186,064.90

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Solution

The fourth proportional to 438,788.14, 658,051.80 and 186,064.90 is: 279,042.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    438,788.14 : 658,051.80 = 186,064.90 : x
  2. Step 2: Convert to fraction form
    438,788.14/658,051.80 = 186,064.90/x
  3. Step 3: Cross multiply
    438,788.14x = 658,051.80 × 186,064.90
  4. Step 4: Simplify right side
    438,788.14x = 122,440,342,361.82
  5. Step 5: Solve for x
    x = 122,440,342,361.82/438,788.14
  6. Step 6: Final answer
    x = 279,042.05

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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.