Home / 314,162.21-471,064.82-214,443.11

Finding the Fourth Proportional to 314,162.21, 471,064.82 and 214,443.11

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Solution

The fourth proportional to 314,162.21, 471,064.82 and 214,443.11 is: 321,542.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    314,162.21 : 471,064.82 = 214,443.11 : x
  2. Step 2: Convert to fraction form
    314,162.21/471,064.82 = 214,443.11/x
  3. Step 3: Cross multiply
    314,162.21x = 471,064.82 × 214,443.11
  4. Step 4: Simplify right side
    314,162.21x = 101,016,605,117.84
  5. Step 5: Solve for x
    x = 101,016,605,117.84/314,162.21
  6. Step 6: Final answer
    x = 321,542.82

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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.