Home / 228,428.29-341,897.23-206,603.65

Finding the Fourth Proportional to 228,428.29, 341,897.23 and 206,603.65

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Solution

The fourth proportional to 228,428.29, 341,897.23 and 206,603.65 is: 309,231.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    228,428.29 : 341,897.23 = 206,603.65 : x
  2. Step 2: Convert to fraction form
    228,428.29/341,897.23 = 206,603.65/x
  3. Step 3: Cross multiply
    228,428.29x = 341,897.23 × 206,603.65
  4. Step 4: Simplify right side
    228,428.29x = 70,637,215,642.89
  5. Step 5: Solve for x
    x = 70,637,215,642.89/228,428.29
  6. Step 6: Final answer
    x = 309,231.47

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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.