Home / 287,532.10-396,795.94-166,745.12

Finding the Fourth Proportional to 287,532.10, 396,795.94 and 166,745.12

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Solution

The fourth proportional to 287,532.10, 396,795.94 and 166,745.12 is: 230,109.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    287,532.10 : 396,795.94 = 166,745.12 : x
  2. Step 2: Convert to fraction form
    287,532.10/396,795.94 = 166,745.12/x
  3. Step 3: Cross multiply
    287,532.10x = 396,795.94 × 166,745.12
  4. Step 4: Simplify right side
    287,532.10x = 66,163,786,630.81
  5. Step 5: Solve for x
    x = 66,163,786,630.81/287,532.10
  6. Step 6: Final answer
    x = 230,109.22

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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.