Home / 374,583.88-561,612.96-137,896.20

Finding the Fourth Proportional to 374,583.88, 561,612.96 and 137,896.20

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Solution

The fourth proportional to 374,583.88, 561,612.96 and 137,896.20 is: 206,747.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    374,583.88 : 561,612.96 = 137,896.20 : x
  2. Step 2: Convert to fraction form
    374,583.88/561,612.96 = 137,896.20/x
  3. Step 3: Cross multiply
    374,583.88x = 561,612.96 × 137,896.20
  4. Step 4: Simplify right side
    374,583.88x = 77,444,293,054.75
  5. Step 5: Solve for x
    x = 77,444,293,054.75/374,583.88
  6. Step 6: Final answer
    x = 206,747.53

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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.