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Finding the Fourth Proportional to 295,577.60, 443,366.40 and 216,845.60

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Solution

The fourth proportional to 295,577.60, 443,366.40 and 216,845.60 is: 325,268.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    295,577.60 : 443,366.40 = 216,845.60 : x
  2. Step 2: Convert to fraction form
    295,577.60/443,366.40 = 216,845.60/x
  3. Step 3: Cross multiply
    295,577.60x = 443,366.40 × 216,845.60
  4. Step 4: Simplify right side
    295,577.60x = 96,142,053,027.84
  5. Step 5: Solve for x
    x = 96,142,053,027.84/295,577.60
  6. Step 6: Final answer
    x = 325,268.40

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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.