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Finding the Fourth Proportional to 360,253.07, 540,388.87 and 170,669.03

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Solution

The fourth proportional to 360,253.07, 540,388.87 and 170,669.03 is: 256,007.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    360,253.07 : 540,388.87 = 170,669.03 : x
  2. Step 2: Convert to fraction form
    360,253.07/540,388.87 = 170,669.03/x
  3. Step 3: Cross multiply
    360,253.07x = 540,388.87 × 170,669.03
  4. Step 4: Simplify right side
    360,253.07x = 92,227,641,137.08
  5. Step 5: Solve for x
    x = 92,227,641,137.08/360,253.07
  6. Step 6: Final answer
    x = 256,007.93

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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.