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Finding the Fourth Proportional to 338,902.92, 468,172.68 and 270,830.64

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Solution

The fourth proportional to 338,902.92, 468,172.68 and 270,830.64 is: 374,135.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    338,902.92 : 468,172.68 = 270,830.64 : x
  2. Step 2: Convert to fraction form
    338,902.92/468,172.68 = 270,830.64/x
  3. Step 3: Cross multiply
    338,902.92x = 468,172.68 × 270,830.64
  4. Step 4: Simplify right side
    338,902.92x = 126,795,506,554.92
  5. Step 5: Solve for x
    x = 126,795,506,554.92/338,902.92
  6. Step 6: Final answer
    x = 374,135.18

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1.5x scale

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.