Home / 380,644.98-571,033.35-127,950.18

Finding the Fourth Proportional to 380,644.98, 571,033.35 and 127,950.18

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Solution

The fourth proportional to 380,644.98, 571,033.35 and 127,950.18 is: 191,947.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    380,644.98 : 571,033.35 = 127,950.18 : x
  2. Step 2: Convert to fraction form
    380,644.98/571,033.35 = 127,950.18/x
  3. Step 3: Cross multiply
    380,644.98x = 571,033.35 × 127,950.18
  4. Step 4: Simplify right side
    380,644.98x = 73,063,819,918.50
  5. Step 5: Solve for x
    x = 73,063,819,918.50/380,644.98
  6. Step 6: Final answer
    x = 191,947.41

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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.