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Finding the Fourth Proportional to 360,277.86, 540,233.34 and 120,305.47

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Solution

The fourth proportional to 360,277.86, 540,233.34 and 120,305.47 is: 180,396.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    360,277.86 : 540,233.34 = 120,305.47 : x
  2. Step 2: Convert to fraction form
    360,277.86/540,233.34 = 120,305.47/x
  3. Step 3: Cross multiply
    360,277.86x = 540,233.34 × 120,305.47
  4. Step 4: Simplify right side
    360,277.86x = 64,993,025,878.37
  5. Step 5: Solve for x
    x = 64,993,025,878.37/360,277.86
  6. Step 6: Final answer
    x = 180,396.95

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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.