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Finding the Fourth Proportional to 241,353.60, 331,886.88 and 209,467.20

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Solution

The fourth proportional to 241,353.60, 331,886.88 and 209,467.20 is: 288,039.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    241,353.60 : 331,886.88 = 209,467.20 : x
  2. Step 2: Convert to fraction form
    241,353.60/331,886.88 = 209,467.20/x
  3. Step 3: Cross multiply
    241,353.60x = 331,886.88 × 209,467.20
  4. Step 4: Simplify right side
    241,353.60x = 69,519,415,470.34
  5. Step 5: Solve for x
    x = 69,519,415,470.34/241,353.60
  6. Step 6: Final answer
    x = 288,039.69

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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.