Home / 319,101.36-440,339.94-175,862.43

Finding the Fourth Proportional to 319,101.36, 440,339.94 and 175,862.43

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Solution

The fourth proportional to 319,101.36, 440,339.94 and 175,862.43 is: 242,679.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    319,101.36 : 440,339.94 = 175,862.43 : x
  2. Step 2: Convert to fraction form
    319,101.36/440,339.94 = 175,862.43/x
  3. Step 3: Cross multiply
    319,101.36x = 440,339.94 × 175,862.43
  4. Step 4: Simplify right side
    319,101.36x = 77,439,251,874.45
  5. Step 5: Solve for x
    x = 77,439,251,874.45/319,101.36
  6. Step 6: Final answer
    x = 242,679.17

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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.