Home / 269,000.91-371,207.04-154,273.64

Finding the Fourth Proportional to 269,000.91, 371,207.04 and 154,273.64

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Solution

The fourth proportional to 269,000.91, 371,207.04 and 154,273.64 is: 212,889.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,000.91 : 371,207.04 = 154,273.64 : x
  2. Step 2: Convert to fraction form
    269,000.91/371,207.04 = 154,273.64/x
  3. Step 3: Cross multiply
    269,000.91x = 371,207.04 × 154,273.64
  4. Step 4: Simplify right side
    269,000.91x = 57,267,459,398.39
  5. Step 5: Solve for x
    x = 57,267,459,398.39/269,000.91
  6. Step 6: Final answer
    x = 212,889.46

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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.