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Finding the Fourth Proportional to 342,340.20, 472,429.88 and 187,293.44

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Solution

The fourth proportional to 342,340.20, 472,429.88 and 187,293.44 is: 258,465.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    342,340.20 : 472,429.88 = 187,293.44 : x
  2. Step 2: Convert to fraction form
    342,340.20/472,429.88 = 187,293.44/x
  3. Step 3: Cross multiply
    342,340.20x = 472,429.88 × 187,293.44
  4. Step 4: Simplify right side
    342,340.20x = 88,483,017,383.99
  5. Step 5: Solve for x
    x = 88,483,017,383.99/342,340.20
  6. Step 6: Final answer
    x = 258,465.17

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