Home / 319,091.52-440,346.31-175,851.57

Finding the Fourth Proportional to 319,091.52, 440,346.31 and 175,851.57

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Solution

The fourth proportional to 319,091.52, 440,346.31 and 175,851.57 is: 242,675.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    319,091.52 : 440,346.31 = 175,851.57 : x
  2. Step 2: Convert to fraction form
    319,091.52/440,346.31 = 175,851.57/x
  3. Step 3: Cross multiply
    319,091.52x = 440,346.31 × 175,851.57
  4. Step 4: Simplify right side
    319,091.52x = 77,435,587,315.85
  5. Step 5: Solve for x
    x = 77,435,587,315.85/319,091.52
  6. Step 6: Final answer
    x = 242,675.16

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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.