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Finding the Fourth Proportional to 287,522.93, 396,783.25 and 166,735.91

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Solution

The fourth proportional to 287,522.93, 396,783.25 and 166,735.91 is: 230,096.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    287,522.93 : 396,783.25 = 166,735.91 : x
  2. Step 2: Convert to fraction form
    287,522.93/396,783.25 = 166,735.91/x
  3. Step 3: Cross multiply
    287,522.93x = 396,783.25 × 166,735.91
  4. Step 4: Simplify right side
    287,522.93x = 66,158,016,261.51
  5. Step 5: Solve for x
    x = 66,158,016,261.51/287,522.93
  6. Step 6: Final answer
    x = 230,096.49

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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.