Home / 275,315.10-412,972.65-181,140.45

Finding the Fourth Proportional to 275,315.10, 412,972.65 and 181,140.45

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Solution

The fourth proportional to 275,315.10, 412,972.65 and 181,140.45 is: 271,710.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    275,315.10 : 412,972.65 = 181,140.45 : x
  2. Step 2: Convert to fraction form
    275,315.10/412,972.65 = 181,140.45/x
  3. Step 3: Cross multiply
    275,315.10x = 412,972.65 × 181,140.45
  4. Step 4: Simplify right side
    275,315.10x = 74,806,051,658.69
  5. Step 5: Solve for x
    x = 74,806,051,658.69/275,315.10
  6. Step 6: Final answer
    x = 271,710.68

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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.