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Finding the Fourth Proportional to 241,808.20, 362,712.30 and 217,313.80

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Solution

The fourth proportional to 241,808.20, 362,712.30 and 217,313.80 is: 325,970.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    241,808.20 : 362,712.30 = 217,313.80 : x
  2. Step 2: Convert to fraction form
    241,808.20/362,712.30 = 217,313.80/x
  3. Step 3: Cross multiply
    241,808.20x = 362,712.30 × 217,313.80
  4. Step 4: Simplify right side
    241,808.20x = 78,822,388,219.74
  5. Step 5: Solve for x
    x = 78,822,388,219.74/241,808.20
  6. Step 6: Final answer
    x = 325,970.70

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.