Home / 495,331.32-683,551.20-268,978.44

Finding the Fourth Proportional to 495,331.32, 683,551.20 and 268,978.44

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Solution

The fourth proportional to 495,331.32, 683,551.20 and 268,978.44 is: 371,186.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    495,331.32 : 683,551.20 = 268,978.44 : x
  2. Step 2: Convert to fraction form
    495,331.32/683,551.20 = 268,978.44/x
  3. Step 3: Cross multiply
    495,331.32x = 683,551.20 × 268,978.44
  4. Step 4: Simplify right side
    495,331.32x = 183,860,535,436.13
  5. Step 5: Solve for x
    x = 183,860,535,436.13/495,331.32
  6. Step 6: Final answer
    x = 371,186.98

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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.