Home / 267,639.40-369,341.80-154,462.15

Finding the Fourth Proportional to 267,639.40, 369,341.80 and 154,462.15

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Solution

The fourth proportional to 267,639.40, 369,341.80 and 154,462.15 is: 213,157.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    267,639.40 : 369,341.80 = 154,462.15 : x
  2. Step 2: Convert to fraction form
    267,639.40/369,341.80 = 154,462.15/x
  3. Step 3: Cross multiply
    267,639.40x = 369,341.80 × 154,462.15
  4. Step 4: Simplify right side
    267,639.40x = 57,049,328,512.87
  5. Step 5: Solve for x
    x = 57,049,328,512.87/267,639.40
  6. Step 6: Final answer
    x = 213,157.44

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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.