Home / 495,039.22-683,135.85-268,679.86

Finding the Fourth Proportional to 495,039.22, 683,135.85 and 268,679.86

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Solution

The fourth proportional to 495,039.22, 683,135.85 and 268,679.86 is: 370,768.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    495,039.22 : 683,135.85 = 268,679.86 : x
  2. Step 2: Convert to fraction form
    495,039.22/683,135.85 = 268,679.86/x
  3. Step 3: Cross multiply
    495,039.22x = 683,135.85 × 268,679.86
  4. Step 4: Simplify right side
    495,039.22x = 183,544,844,538.98
  5. Step 5: Solve for x
    x = 183,544,844,538.98/495,039.22
  6. Step 6: Final answer
    x = 370,768.29

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.