Home / 228,239.22-314,062.05-221,305.53

Finding the Fourth Proportional to 228,239.22, 314,062.05 and 221,305.53

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Solution

The fourth proportional to 228,239.22, 314,062.05 and 221,305.53 is: 304,521.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    228,239.22 : 314,062.05 = 221,305.53 : x
  2. Step 2: Convert to fraction form
    228,239.22/314,062.05 = 221,305.53/x
  3. Step 3: Cross multiply
    228,239.22x = 314,062.05 × 221,305.53
  4. Step 4: Simplify right side
    228,239.22x = 69,503,668,428.14
  5. Step 5: Solve for x
    x = 69,503,668,428.14/228,239.22
  6. Step 6: Final answer
    x = 304,521.14

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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.