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Finding the Fourth Proportional to 307,992.08, 425,036.04 and 180,759.44

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Solution

The fourth proportional to 307,992.08, 425,036.04 and 180,759.44 is: 249,452.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    307,992.08 : 425,036.04 = 180,759.44 : x
  2. Step 2: Convert to fraction form
    307,992.08/425,036.04 = 180,759.44/x
  3. Step 3: Cross multiply
    307,992.08x = 425,036.04 × 180,759.44
  4. Step 4: Simplify right side
    307,992.08x = 76,829,276,570.22
  5. Step 5: Solve for x
    x = 76,829,276,570.22/307,992.08
  6. Step 6: Final answer
    x = 249,452.12

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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.