Home / 267,638.40-369,340.43-154,461.15

Finding the Fourth Proportional to 267,638.40, 369,340.43 and 154,461.15

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Solution

The fourth proportional to 267,638.40, 369,340.43 and 154,461.15 is: 213,156.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    267,638.40 : 369,340.43 = 154,461.15 : x
  2. Step 2: Convert to fraction form
    267,638.40/369,340.43 = 154,461.15/x
  3. Step 3: Cross multiply
    267,638.40x = 369,340.43 × 154,461.15
  4. Step 4: Simplify right side
    267,638.40x = 57,048,746,786.99
  5. Step 5: Solve for x
    x = 57,048,746,786.99/267,638.40
  6. Step 6: Final answer
    x = 213,156.06

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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.