Home / 268,031.34-369,857.07-154,851.66

Finding the Fourth Proportional to 268,031.34, 369,857.07 and 154,851.66

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Solution

The fourth proportional to 268,031.34, 369,857.07 and 154,851.66 is: 213,680.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    268,031.34 : 369,857.07 = 154,851.66 : x
  2. Step 2: Convert to fraction form
    268,031.34/369,857.07 = 154,851.66/x
  3. Step 3: Cross multiply
    268,031.34x = 369,857.07 × 154,851.66
  4. Step 4: Simplify right side
    268,031.34x = 57,272,981,252.24
  5. Step 5: Solve for x
    x = 57,272,981,252.24/268,031.34
  6. Step 6: Final answer
    x = 213,680.17

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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.