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Finding the Fourth Proportional to 365,627.79, 548,374.46 and 165,900.15

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Solution

The fourth proportional to 365,627.79, 548,374.46 and 165,900.15 is: 248,819.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    365,627.79 : 548,374.46 = 165,900.15 : x
  2. Step 2: Convert to fraction form
    365,627.79/548,374.46 = 165,900.15/x
  3. Step 3: Cross multiply
    365,627.79x = 548,374.46 × 165,900.15
  4. Step 4: Simplify right side
    365,627.79x = 90,975,404,340.67
  5. Step 5: Solve for x
    x = 90,975,404,340.67/365,627.79
  6. Step 6: Final answer
    x = 248,819.72

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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.