Home / 267,340.07-401,072.97-77,804.52

Finding the Fourth Proportional to 267,340.07, 401,072.97 and 77,804.52

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Solution

The fourth proportional to 267,340.07, 401,072.97 and 77,804.52 is: 116,725.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    267,340.07 : 401,072.97 = 77,804.52 : x
  2. Step 2: Convert to fraction form
    267,340.07/401,072.97 = 77,804.52/x
  3. Step 3: Cross multiply
    267,340.07x = 401,072.97 × 77,804.52
  4. Step 4: Simplify right side
    267,340.07x = 31,205,289,915.82
  5. Step 5: Solve for x
    x = 31,205,289,915.82/267,340.07
  6. Step 6: Final answer
    x = 116,725.08

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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.