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Finding the Fourth Proportional to 341,503.65, 471,272.49 and 188,541.81

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Solution

The fourth proportional to 341,503.65, 471,272.49 and 188,541.81 is: 260,186.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    341,503.65 : 471,272.49 = 188,541.81 : x
  2. Step 2: Convert to fraction form
    341,503.65/471,272.49 = 188,541.81/x
  3. Step 3: Cross multiply
    341,503.65x = 471,272.49 × 188,541.81
  4. Step 4: Simplify right side
    341,503.65x = 88,854,568,267.81
  5. Step 5: Solve for x
    x = 88,854,568,267.81/341,503.65
  6. Step 6: Final answer
    x = 260,186.29

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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.