Home / 330,147.48-454,583.37-257,842.44

Finding the Fourth Proportional to 330,147.48, 454,583.37 and 257,842.44

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Solution

The fourth proportional to 330,147.48, 454,583.37 and 257,842.44 is: 355,025.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    330,147.48 : 454,583.37 = 257,842.44 : x
  2. Step 2: Convert to fraction form
    330,147.48/454,583.37 = 257,842.44/x
  3. Step 3: Cross multiply
    330,147.48x = 454,583.37 × 257,842.44
  4. Step 4: Simplify right side
    330,147.48x = 117,210,885,304.22
  5. Step 5: Solve for x
    x = 117,210,885,304.22/330,147.48
  6. Step 6: Final answer
    x = 355,025.84

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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.