Home / 421,102.53-581,180.75-268,091.84

Finding the Fourth Proportional to 421,102.53, 581,180.75 and 268,091.84

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Solution

The fourth proportional to 421,102.53, 581,180.75 and 268,091.84 is: 370,004.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    421,102.53 : 581,180.75 = 268,091.84 : x
  2. Step 2: Convert to fraction form
    421,102.53/581,180.75 = 268,091.84/x
  3. Step 3: Cross multiply
    421,102.53x = 581,180.75 × 268,091.84
  4. Step 4: Simplify right side
    421,102.53x = 155,809,812,393.72
  5. Step 5: Solve for x
    x = 155,809,812,393.72/421,102.53
  6. Step 6: Final answer
    x = 370,004.46

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.