Home / 374,584.88-561,614.46-137,897.20

Finding the Fourth Proportional to 374,584.88, 561,614.46 and 137,897.20

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Solution

The fourth proportional to 374,584.88, 561,614.46 and 137,897.20 is: 206,749.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    374,584.88 : 561,614.46 = 137,897.20 : x
  2. Step 2: Convert to fraction form
    374,584.88/561,614.46 = 137,897.20/x
  3. Step 3: Cross multiply
    374,584.88x = 561,614.46 × 137,897.20
  4. Step 4: Simplify right side
    374,584.88x = 77,445,061,513.51
  5. Step 5: Solve for x
    x = 77,445,061,513.51/374,584.88
  6. Step 6: Final answer
    x = 206,749.03

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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.