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Finding the Fourth Proportional to 630,960.37, 946,448.75 and 181,688.61

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Solution

The fourth proportional to 630,960.37, 946,448.75 and 181,688.61 is: 272,535.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    630,960.37 : 946,448.75 = 181,688.61 : x
  2. Step 2: Convert to fraction form
    630,960.37/946,448.75 = 181,688.61/x
  3. Step 3: Cross multiply
    630,960.37x = 946,448.75 × 181,688.61
  4. Step 4: Simplify right side
    630,960.37x = 171,958,952,183.05
  5. Step 5: Solve for x
    x = 171,958,952,183.05/630,960.37
  6. Step 6: Final answer
    x = 272,535.27

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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.