Home / 219,127.38-328,554.38-100,646.66

Finding the Fourth Proportional to 219,127.38, 328,554.38 and 100,646.66

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Solution

The fourth proportional to 219,127.38, 328,554.38 and 100,646.66 is: 150,907.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,127.38 : 328,554.38 = 100,646.66 : x
  2. Step 2: Convert to fraction form
    219,127.38/328,554.38 = 100,646.66/x
  3. Step 3: Cross multiply
    219,127.38x = 328,554.38 × 100,646.66
  4. Step 4: Simplify right side
    219,127.38x = 33,067,898,829.37
  5. Step 5: Solve for x
    x = 33,067,898,829.37/219,127.38
  6. Step 6: Final answer
    x = 150,907.20

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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.