Home / 440,481.37-660,721.69-124,941.01

Finding the Fourth Proportional to 440,481.37, 660,721.69 and 124,941.01

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Solution

The fourth proportional to 440,481.37, 660,721.69 and 124,941.01 is: 187,411.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    440,481.37 : 660,721.69 = 124,941.01 : x
  2. Step 2: Convert to fraction form
    440,481.37/660,721.69 = 124,941.01/x
  3. Step 3: Cross multiply
    440,481.37x = 660,721.69 × 124,941.01
  4. Step 4: Simplify right side
    440,481.37x = 82,551,235,277.51
  5. Step 5: Solve for x
    x = 82,551,235,277.51/440,481.37
  6. Step 6: Final answer
    x = 187,411.41

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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.