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Finding the Fourth Proportional to 341,465.82, 471,223.53 and 188,504.21

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Solution

The fourth proportional to 341,465.82, 471,223.53 and 188,504.21 is: 260,136.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    341,465.82 : 471,223.53 = 188,504.21 : x
  2. Step 2: Convert to fraction form
    341,465.82/471,223.53 = 188,504.21/x
  3. Step 3: Cross multiply
    341,465.82x = 471,223.53 × 188,504.21
  4. Step 4: Simplify right side
    341,465.82x = 88,827,620,434.12
  5. Step 5: Solve for x
    x = 88,827,620,434.12/341,465.82
  6. Step 6: Final answer
    x = 260,136.20

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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.