Home / 397,478.43-596,236.10-127,617.57

Finding the Fourth Proportional to 397,478.43, 596,236.10 and 127,617.57

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Solution

The fourth proportional to 397,478.43, 596,236.10 and 127,617.57 is: 191,432.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    397,478.43 : 596,236.10 = 127,617.57 : x
  2. Step 2: Convert to fraction form
    397,478.43/596,236.10 = 127,617.57/x
  3. Step 3: Cross multiply
    397,478.43x = 596,236.10 × 127,617.57
  4. Step 4: Simplify right side
    397,478.43x = 76,090,201,590.19
  5. Step 5: Solve for x
    x = 76,090,201,590.19/397,478.43
  6. Step 6: Final answer
    x = 191,432.28

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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.