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Finding the Fourth Proportional to 400,450.98, 552,622.58 and 219,162.79

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Solution

The fourth proportional to 400,450.98, 552,622.58 and 219,162.79 is: 302,444.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    400,450.98 : 552,622.58 = 219,162.79 : x
  2. Step 2: Convert to fraction form
    400,450.98/552,622.58 = 219,162.79/x
  3. Step 3: Cross multiply
    400,450.98x = 552,622.58 × 219,162.79
  4. Step 4: Simplify right side
    400,450.98x = 121,114,306,449.80
  5. Step 5: Solve for x
    x = 121,114,306,449.80/400,450.98
  6. Step 6: Final answer
    x = 302,444.77

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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.