Home / 372,106.89-558,441.19-272,525.26

Finding the Fourth Proportional to 372,106.89, 558,441.19 and 272,525.26

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Solution

The fourth proportional to 372,106.89, 558,441.19 and 272,525.26 is: 408,993.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    372,106.89 : 558,441.19 = 272,525.26 : x
  2. Step 2: Convert to fraction form
    372,106.89/558,441.19 = 272,525.26/x
  3. Step 3: Cross multiply
    372,106.89x = 558,441.19 × 272,525.26
  4. Step 4: Simplify right side
    372,106.89x = 152,189,328,958.14
  5. Step 5: Solve for x
    x = 152,189,328,958.14/372,106.89
  6. Step 6: Final answer
    x = 408,993.58

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.