Home / 325,031.76-448,450.65-187,185.15

Finding the Fourth Proportional to 325,031.76, 448,450.65 and 187,185.15

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Solution

The fourth proportional to 325,031.76, 448,450.65 and 187,185.15 is: 258,261.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    325,031.76 : 448,450.65 = 187,185.15 : x
  2. Step 2: Convert to fraction form
    325,031.76/448,450.65 = 187,185.15/x
  3. Step 3: Cross multiply
    325,031.76x = 448,450.65 × 187,185.15
  4. Step 4: Simplify right side
    325,031.76x = 83,943,302,187.85
  5. Step 5: Solve for x
    x = 83,943,302,187.85/325,031.76
  6. Step 6: Final answer
    x = 258,261.85

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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.