Home / 274,936.86-411,868.40-130,637.30

Finding the Fourth Proportional to 274,936.86, 411,868.40 and 130,637.30

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Solution

The fourth proportional to 274,936.86, 411,868.40 and 130,637.30 is: 195,700.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    274,936.86 : 411,868.40 = 130,637.30 : x
  2. Step 2: Convert to fraction form
    274,936.86/411,868.40 = 130,637.30/x
  3. Step 3: Cross multiply
    274,936.86x = 411,868.40 × 130,637.30
  4. Step 4: Simplify right side
    274,936.86x = 53,805,373,018.79
  5. Step 5: Solve for x
    x = 53,805,373,018.79/274,936.86
  6. Step 6: Final answer
    x = 195,700.83

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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.