Home / 313,822.80-470,734.20-187,851.60

Finding the Fourth Proportional to 313,822.80, 470,734.20 and 187,851.60

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Solution

The fourth proportional to 313,822.80, 470,734.20 and 187,851.60 is: 281,777.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    313,822.80 : 470,734.20 = 187,851.60 : x
  2. Step 2: Convert to fraction form
    313,822.80/470,734.20 = 187,851.60/x
  3. Step 3: Cross multiply
    313,822.80x = 470,734.20 × 187,851.60
  4. Step 4: Simplify right side
    313,822.80x = 88,428,172,644.72
  5. Step 5: Solve for x
    x = 88,428,172,644.72/313,822.80
  6. Step 6: Final answer
    x = 281,777.40

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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.