Home / 361,972.68-543,140.10-162,435.72

Finding the Fourth Proportional to 361,972.68, 543,140.10 and 162,435.72

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Solution

The fourth proportional to 361,972.68, 543,140.10 and 162,435.72 is: 243,734.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    361,972.68 : 543,140.10 = 162,435.72 : x
  2. Step 2: Convert to fraction form
    361,972.68/543,140.10 = 162,435.72/x
  3. Step 3: Cross multiply
    361,972.68x = 543,140.10 × 162,435.72
  4. Step 4: Simplify right side
    361,972.68x = 88,225,353,204.37
  5. Step 5: Solve for x
    x = 88,225,353,204.37/361,972.68
  6. Step 6: Final answer
    x = 243,734.84

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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.