Home / 325,084.64-448,436.20-189,103.28

Finding the Fourth Proportional to 325,084.64, 448,436.20 and 189,103.28

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Solution

The fourth proportional to 325,084.64, 448,436.20 and 189,103.28 is: 260,857.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    325,084.64 : 448,436.20 = 189,103.28 : x
  2. Step 2: Convert to fraction form
    325,084.64/448,436.20 = 189,103.28/x
  3. Step 3: Cross multiply
    325,084.64x = 448,436.20 × 189,103.28
  4. Step 4: Simplify right side
    325,084.64x = 84,800,756,290.74
  5. Step 5: Solve for x
    x = 84,800,756,290.74/325,084.64
  6. Step 6: Final answer
    x = 260,857.47

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.