Home / 413,972.14-620,584.04-147,669.36

Finding the Fourth Proportional to 413,972.14, 620,584.04 and 147,669.36

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Solution

The fourth proportional to 413,972.14, 620,584.04 and 147,669.36 is: 221,370.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    413,972.14 : 620,584.04 = 147,669.36 : x
  2. Step 2: Convert to fraction form
    413,972.14/620,584.04 = 147,669.36/x
  3. Step 3: Cross multiply
    413,972.14x = 620,584.04 × 147,669.36
  4. Step 4: Simplify right side
    413,972.14x = 91,641,248,013.01
  5. Step 5: Solve for x
    x = 91,641,248,013.01/413,972.14
  6. Step 6: Final answer
    x = 221,370.57

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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.