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Finding the Fourth Proportional to 400,454.80, 552,627.88 and 219,166.68

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Solution

The fourth proportional to 400,454.80, 552,627.88 and 219,166.68 is: 302,450.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    400,454.80 : 552,627.88 = 219,166.68 : x
  2. Step 2: Convert to fraction form
    400,454.80/552,627.88 = 219,166.68/x
  3. Step 3: Cross multiply
    400,454.80x = 552,627.88 × 219,166.68
  4. Step 4: Simplify right side
    400,454.80x = 121,117,617,735.04
  5. Step 5: Solve for x
    x = 121,117,617,735.04/400,454.80
  6. Step 6: Final answer
    x = 302,450.16

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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.