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Finding the Fourth Proportional to 341,460.90, 471,203.69 and 188,495.80

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Solution

The fourth proportional to 341,460.90, 471,203.69 and 188,495.80 is: 260,117.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    341,460.90 : 471,203.69 = 188,495.80 : x
  2. Step 2: Convert to fraction form
    341,460.90/471,203.69 = 188,495.80/x
  3. Step 3: Cross multiply
    341,460.90x = 471,203.69 × 188,495.80
  4. Step 4: Simplify right side
    341,460.90x = 88,819,915,567.02
  5. Step 5: Solve for x
    x = 88,819,915,567.02/341,460.90
  6. Step 6: Final answer
    x = 260,117.39

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1.5x scale

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.