Home / 642,932.37-964,438.64-169,618.18

Finding the Fourth Proportional to 642,932.37, 964,438.64 and 169,618.18

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Solution

The fourth proportional to 642,932.37, 964,438.64 and 169,618.18 is: 254,437.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    642,932.37 : 964,438.64 = 169,618.18 : x
  2. Step 2: Convert to fraction form
    642,932.37/964,438.64 = 169,618.18/x
  3. Step 3: Cross multiply
    642,932.37x = 964,438.64 × 169,618.18
  4. Step 4: Simplify right side
    642,932.37x = 163,586,325,990.38
  5. Step 5: Solve for x
    x = 163,586,325,990.38/642,932.37
  6. Step 6: Final answer
    x = 254,437.85

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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.