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Finding the Fourth Proportional to 483,681.97, 725,441.95 and 146,642.03

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Solution

The fourth proportional to 483,681.97, 725,441.95 and 146,642.03 is: 219,938.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    483,681.97 : 725,441.95 = 146,642.03 : x
  2. Step 2: Convert to fraction form
    483,681.97/725,441.95 = 146,642.03/x
  3. Step 3: Cross multiply
    483,681.97x = 725,441.95 × 146,642.03
  4. Step 4: Simplify right side
    483,681.97x = 106,380,282,119.69
  5. Step 5: Solve for x
    x = 106,380,282,119.69/483,681.97
  6. Step 6: Final answer
    x = 219,938.49

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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.