Home / 445,935.50-615,391-267,087.50

Finding the Fourth Proportional to 445,935.50, 615,391 and 267,087.50

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Solution

The fourth proportional to 445,935.50, 615,391 and 267,087.50 is: 368,580.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    445,935.50 : 615,391 = 267,087.50 : x
  2. Step 2: Convert to fraction form
    445,935.50/615,391 = 267,087.50/x
  3. Step 3: Cross multiply
    445,935.50x = 615,391 × 267,087.50
  4. Step 4: Simplify right side
    445,935.50x = 164,363,243,712.50
  5. Step 5: Solve for x
    x = 164,363,243,712.50/445,935.50
  6. Step 6: Final answer
    x = 368,580.76

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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.