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Finding the Fourth Proportional to 471,119.40, 650,260.25 and 267,289.63

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Solution

The fourth proportional to 471,119.40, 650,260.25 and 267,289.63 is: 368,925.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    471,119.40 : 650,260.25 = 267,289.63 : x
  2. Step 2: Convert to fraction form
    471,119.40/650,260.25 = 267,289.63/x
  3. Step 3: Cross multiply
    471,119.40x = 650,260.25 × 267,289.63
  4. Step 4: Simplify right side
    471,119.40x = 173,807,820,743.55
  5. Step 5: Solve for x
    x = 173,807,820,743.55/471,119.40
  6. Step 6: Final answer
    x = 368,925.21

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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.