Home / 257,383.52-385,943.62-107,582.94

Finding the Fourth Proportional to 257,383.52, 385,943.62 and 107,582.94

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Solution

The fourth proportional to 257,383.52, 385,943.62 and 107,582.94 is: 161,319.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    257,383.52 : 385,943.62 = 107,582.94 : x
  2. Step 2: Convert to fraction form
    257,383.52/385,943.62 = 107,582.94/x
  3. Step 3: Cross multiply
    257,383.52x = 385,943.62 × 107,582.94
  4. Step 4: Simplify right side
    257,383.52x = 41,520,949,313.84
  5. Step 5: Solve for x
    x = 41,520,949,313.84/257,383.52
  6. Step 6: Final answer
    x = 161,319.38

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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.