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Finding the Fourth Proportional to 245,043.82, 337,460.34 and 220,636.90

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Solution

The fourth proportional to 245,043.82, 337,460.34 and 220,636.90 is: 303,848.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    245,043.82 : 337,460.34 = 220,636.90 : x
  2. Step 2: Convert to fraction form
    245,043.82/337,460.34 = 220,636.90/x
  3. Step 3: Cross multiply
    245,043.82x = 337,460.34 × 220,636.90
  4. Step 4: Simplify right side
    245,043.82x = 74,456,203,290.55
  5. Step 5: Solve for x
    x = 74,456,203,290.55/245,043.82
  6. Step 6: Final answer
    x = 303,848.53

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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.