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Finding the Fourth Proportional to 245,150.60, 367,464.30 and 139,742.60

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Solution

The fourth proportional to 245,150.60, 367,464.30 and 139,742.60 is: 209,464.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    245,150.60 : 367,464.30 = 139,742.60 : x
  2. Step 2: Convert to fraction form
    245,150.60/367,464.30 = 139,742.60/x
  3. Step 3: Cross multiply
    245,150.60x = 367,464.30 × 139,742.60
  4. Step 4: Simplify right side
    245,150.60x = 51,350,416,689.18
  5. Step 5: Solve for x
    x = 51,350,416,689.18/245,150.60
  6. Step 6: Final answer
    x = 209,464.78

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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.