Home / 397,939.88-596,534.60-198,071.32

Finding the Fourth Proportional to 397,939.88, 596,534.60 and 198,071.32

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Solution

The fourth proportional to 397,939.88, 596,534.60 and 198,071.32 is: 296,920.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    397,939.88 : 596,534.60 = 198,071.32 : x
  2. Step 2: Convert to fraction form
    397,939.88/596,534.60 = 198,071.32/x
  3. Step 3: Cross multiply
    397,939.88x = 596,534.60 × 198,071.32
  4. Step 4: Simplify right side
    397,939.88x = 118,156,395,647.67
  5. Step 5: Solve for x
    x = 118,156,395,647.67/397,939.88
  6. Step 6: Final answer
    x = 296,920.22

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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.