Home / 643,277.07-964,950.21-169,949.52

Finding the Fourth Proportional to 643,277.07, 964,950.21 and 169,949.52

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Solution

The fourth proportional to 643,277.07, 964,950.21 and 169,949.52 is: 254,933.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    643,277.07 : 964,950.21 = 169,949.52 : x
  2. Step 2: Convert to fraction form
    643,277.07/964,950.21 = 169,949.52/x
  3. Step 3: Cross multiply
    643,277.07x = 964,950.21 × 169,949.52
  4. Step 4: Simplify right side
    643,277.07x = 163,992,825,013.40
  5. Step 5: Solve for x
    x = 163,992,825,013.40/643,277.07
  6. Step 6: Final answer
    x = 254,933.42

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1.5x scale

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.