Home / 325,069.08-487,428.30-147,479.19

Finding the Fourth Proportional to 325,069.08, 487,428.30 and 147,479.19

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Solution

The fourth proportional to 325,069.08, 487,428.30 and 147,479.19 is: 221,139.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    325,069.08 : 487,428.30 = 147,479.19 : x
  2. Step 2: Convert to fraction form
    325,069.08/487,428.30 = 147,479.19/x
  3. Step 3: Cross multiply
    325,069.08x = 487,428.30 × 147,479.19
  4. Step 4: Simplify right side
    325,069.08x = 71,885,530,867.08
  5. Step 5: Solve for x
    x = 71,885,530,867.08/325,069.08
  6. Step 6: Final answer
    x = 221,139.24

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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.