Home / 319,228.12-440,537.82-175,993.29

Finding the Fourth Proportional to 319,228.12, 440,537.82 and 175,993.29

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Solution

The fourth proportional to 319,228.12, 440,537.82 and 175,993.29 is: 242,872.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    319,228.12 : 440,537.82 = 175,993.29 : x
  2. Step 2: Convert to fraction form
    319,228.12/440,537.82 = 175,993.29/x
  3. Step 3: Cross multiply
    319,228.12x = 440,537.82 × 175,993.29
  4. Step 4: Simplify right side
    319,228.12x = 77,531,700,311.23
  5. Step 5: Solve for x
    x = 77,531,700,311.23/319,228.12
  6. Step 6: Final answer
    x = 242,872.40

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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.