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Finding the Fourth Proportional to 240,129.77, 360,396.73 and 120,150.73

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Solution

The fourth proportional to 240,129.77, 360,396.73 and 120,150.73 is: 180,327.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    240,129.77 : 360,396.73 = 120,150.73 : x
  2. Step 2: Convert to fraction form
    240,129.77/360,396.73 = 120,150.73/x
  3. Step 3: Cross multiply
    240,129.77x = 360,396.73 × 120,150.73
  4. Step 4: Simplify right side
    240,129.77x = 43,301,928,697.37
  5. Step 5: Solve for x
    x = 43,301,928,697.37/240,129.77
  6. Step 6: Final answer
    x = 180,327.20

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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.