Home / 372,228.21-513,675.27-211,083.98

Finding the Fourth Proportional to 372,228.21, 513,675.27 and 211,083.98

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Solution

The fourth proportional to 372,228.21, 513,675.27 and 211,083.98 is: 291,296.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    372,228.21 : 513,675.27 = 211,083.98 : x
  2. Step 2: Convert to fraction form
    372,228.21/513,675.27 = 211,083.98/x
  3. Step 3: Cross multiply
    372,228.21x = 513,675.27 × 211,083.98
  4. Step 4: Simplify right side
    372,228.21x = 108,428,617,850.80
  5. Step 5: Solve for x
    x = 108,428,617,850.80/372,228.21
  6. Step 6: Final answer
    x = 291,296.08

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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.