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Finding the Fourth Proportional to 275,950.70, 380,528.43 and 230,611.76

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Solution

The fourth proportional to 275,950.70, 380,528.43 and 230,611.76 is: 318,007.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    275,950.70 : 380,528.43 = 230,611.76 : x
  2. Step 2: Convert to fraction form
    275,950.70/380,528.43 = 230,611.76/x
  3. Step 3: Cross multiply
    275,950.70x = 380,528.43 × 230,611.76
  4. Step 4: Simplify right side
    275,950.70x = 87,754,330,929.07
  5. Step 5: Solve for x
    x = 87,754,330,929.07/275,950.70
  6. Step 6: Final answer
    x = 318,007.28

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.