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Finding the Fourth Proportional to 495,162, 683,331.84 and 268,807.50

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Solution

The fourth proportional to 495,162, 683,331.84 and 268,807.50 is: 370,958.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    495,162 : 683,331.84 = 268,807.50 : x
  2. Step 2: Convert to fraction form
    495,162/683,331.84 = 268,807.50/x
  3. Step 3: Cross multiply
    495,162x = 683,331.84 × 268,807.50
  4. Step 4: Simplify right side
    495,162x = 183,684,723,580.80
  5. Step 5: Solve for x
    x = 183,684,723,580.80/495,162
  6. Step 6: Final answer
    x = 370,958.84

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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.