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Finding the Fourth Proportional to 267,476.85, 400,994.15 and 208,573.65

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Solution

The fourth proportional to 267,476.85, 400,994.15 and 208,573.65 is: 312,688.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    267,476.85 : 400,994.15 = 208,573.65 : x
  2. Step 2: Convert to fraction form
    267,476.85/400,994.15 = 208,573.65/x
  3. Step 3: Cross multiply
    267,476.85x = 400,994.15 × 208,573.65
  4. Step 4: Simplify right side
    267,476.85x = 83,636,812,451.28
  5. Step 5: Solve for x
    x = 83,636,812,451.28/267,476.85
  6. Step 6: Final answer
    x = 312,688.04

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1.5x scale

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.