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Finding the Fourth Proportional to 245,627.20, 368,246.40 and 134,819.20

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Solution

The fourth proportional to 245,627.20, 368,246.40 and 134,819.20 is: 202,122.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    245,627.20 : 368,246.40 = 134,819.20 : x
  2. Step 2: Convert to fraction form
    245,627.20/368,246.40 = 134,819.20/x
  3. Step 3: Cross multiply
    245,627.20x = 368,246.40 × 134,819.20
  4. Step 4: Simplify right side
    245,627.20x = 49,646,685,050.88
  5. Step 5: Solve for x
    x = 49,646,685,050.88/245,627.20
  6. Step 6: Final answer
    x = 202,122.10

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.