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Finding the Fourth Proportional to 341,572.77, 471,368.03 and 188,620.47

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Solution

The fourth proportional to 341,572.77, 471,368.03 and 188,620.47 is: 260,294.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    341,572.77 : 471,368.03 = 188,620.47 : x
  2. Step 2: Convert to fraction form
    341,572.77/471,368.03 = 188,620.47/x
  3. Step 3: Cross multiply
    341,572.77x = 471,368.03 × 188,620.47
  4. Step 4: Simplify right side
    341,572.77x = 88,909,658,418.47
  5. Step 5: Solve for x
    x = 88,909,658,418.47/341,572.77
  6. Step 6: Final answer
    x = 260,294.92

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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.