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Finding the Fourth Proportional to 297,697.60, 410,815.52 and 170,365.04

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Solution

The fourth proportional to 297,697.60, 410,815.52 and 170,365.04 is: 235,099.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    297,697.60 : 410,815.52 = 170,365.04 : x
  2. Step 2: Convert to fraction form
    297,697.60/410,815.52 = 170,365.04/x
  3. Step 3: Cross multiply
    297,697.60x = 410,815.52 × 170,365.04
  4. Step 4: Simplify right side
    297,697.60x = 69,988,602,497.42
  5. Step 5: Solve for x
    x = 69,988,602,497.42/297,697.60
  6. Step 6: Final answer
    x = 235,099.65

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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.