Home / 327,628.78-452,018.60-267,095.05

Finding the Fourth Proportional to 327,628.78, 452,018.60 and 267,095.05

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Solution

The fourth proportional to 327,628.78, 452,018.60 and 267,095.05 is: 368,502.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    327,628.78 : 452,018.60 = 267,095.05 : x
  2. Step 2: Convert to fraction form
    327,628.78/452,018.60 = 267,095.05/x
  3. Step 3: Cross multiply
    327,628.78x = 452,018.60 × 267,095.05
  4. Step 4: Simplify right side
    327,628.78x = 120,731,930,567.93
  5. Step 5: Solve for x
    x = 120,731,930,567.93/327,628.78
  6. Step 6: Final answer
    x = 368,502.21

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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.