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Finding the Fourth Proportional to 287,325.60, 396,561.60 and 166,544.16

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Solution

The fourth proportional to 287,325.60, 396,561.60 and 166,544.16 is: 229,861.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    287,325.60 : 396,561.60 = 166,544.16 : x
  2. Step 2: Convert to fraction form
    287,325.60/396,561.60 = 166,544.16/x
  3. Step 3: Cross multiply
    287,325.60x = 396,561.60 × 166,544.16
  4. Step 4: Simplify right side
    287,325.60x = 66,045,018,560.26
  5. Step 5: Solve for x
    x = 66,045,018,560.26/287,325.60
  6. Step 6: Final answer
    x = 229,861.24

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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.