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Finding the Fourth Proportional to 471,313.37, 650,423.57 and 267,378.05

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Solution

The fourth proportional to 471,313.37, 650,423.57 and 267,378.05 is: 368,988.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    471,313.37 : 650,423.57 = 267,378.05 : x
  2. Step 2: Convert to fraction form
    471,313.37/650,423.57 = 267,378.05/x
  3. Step 3: Cross multiply
    471,313.37x = 650,423.57 × 267,378.05
  4. Step 4: Simplify right side
    471,313.37x = 173,908,981,231.63
  5. Step 5: Solve for x
    x = 173,908,981,231.63/471,313.37
  6. Step 6: Final answer
    x = 368,988.01

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.