Home / 756,178.02-1,134,237.60-187,560.54

Finding the Fourth Proportional to 756,178.02, 1,134,237.60 and 187,560.54

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Solution

The fourth proportional to 756,178.02, 1,134,237.60 and 187,560.54 is: 281,333.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    756,178.02 : 1,134,237.60 = 187,560.54 : x
  2. Step 2: Convert to fraction form
    756,178.02/1,134,237.60 = 187,560.54/x
  3. Step 3: Cross multiply
    756,178.02x = 1,134,237.60 × 187,560.54
  4. Step 4: Simplify right side
    756,178.02x = 212,738,216,744.30
  5. Step 5: Solve for x
    x = 212,738,216,744.30/756,178.02
  6. Step 6: Final answer
    x = 281,333.51

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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.