Home / 393,522.96-589,933.80-144,146.64

Finding the Fourth Proportional to 393,522.96, 589,933.80 and 144,146.64

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Solution

The fourth proportional to 393,522.96, 589,933.80 and 144,146.64 is: 216,091.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    393,522.96 : 589,933.80 = 144,146.64 : x
  2. Step 2: Convert to fraction form
    393,522.96/589,933.80 = 144,146.64/x
  3. Step 3: Cross multiply
    393,522.96x = 589,933.80 × 144,146.64
  4. Step 4: Simplify right side
    393,522.96x = 85,036,975,092.43
  5. Step 5: Solve for x
    x = 85,036,975,092.43/393,522.96
  6. Step 6: Final answer
    x = 216,091.52

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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.