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Finding the Fourth Proportional to 278,199.04, 417,312.96 and 211,743.04

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Solution

The fourth proportional to 278,199.04, 417,312.96 and 211,743.04 is: 317,625.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    278,199.04 : 417,312.96 = 211,743.04 : x
  2. Step 2: Convert to fraction form
    278,199.04/417,312.96 = 211,743.04/x
  3. Step 3: Cross multiply
    278,199.04x = 417,312.96 × 211,743.04
  4. Step 4: Simplify right side
    278,199.04x = 88,363,114,781.80
  5. Step 5: Solve for x
    x = 88,363,114,781.80/278,199.04
  6. Step 6: Final answer
    x = 317,625.52

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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.