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Finding the Fourth Proportional to 360,313.39, 540,492.37 and 120,448.88

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Solution

The fourth proportional to 360,313.39, 540,492.37 and 120,448.88 is: 180,680.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    360,313.39 : 540,492.37 = 120,448.88 : x
  2. Step 2: Convert to fraction form
    360,313.39/540,492.37 = 120,448.88/x
  3. Step 3: Cross multiply
    360,313.39x = 540,492.37 × 120,448.88
  4. Step 4: Simplify right side
    360,313.39x = 65,101,697,912.58
  5. Step 5: Solve for x
    x = 65,101,697,912.58/360,313.39
  6. Step 6: Final answer
    x = 180,680.76

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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.