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Finding the Fourth Proportional to 442,218.06, 610,222.32 and 245,946.96

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Solution

The fourth proportional to 442,218.06, 610,222.32 and 245,946.96 is: 339,385.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    442,218.06 : 610,222.32 = 245,946.96 : x
  2. Step 2: Convert to fraction form
    442,218.06/610,222.32 = 245,946.96/x
  3. Step 3: Cross multiply
    442,218.06x = 610,222.32 × 245,946.96
  4. Step 4: Simplify right side
    442,218.06x = 150,082,324,528.15
  5. Step 5: Solve for x
    x = 150,082,324,528.15/442,218.06
  6. Step 6: Final answer
    x = 339,385.34

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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.