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Finding the Fourth Proportional to 261,858.96, 361,399.08 and 159,863.04

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Solution

The fourth proportional to 261,858.96, 361,399.08 and 159,863.04 is: 220,631.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    261,858.96 : 361,399.08 = 159,863.04 : x
  2. Step 2: Convert to fraction form
    261,858.96/361,399.08 = 159,863.04/x
  3. Step 3: Cross multiply
    261,858.96x = 361,399.08 × 159,863.04
  4. Step 4: Simplify right side
    261,858.96x = 57,774,355,582.00
  5. Step 5: Solve for x
    x = 57,774,355,582.00/261,858.96
  6. Step 6: Final answer
    x = 220,631.58

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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.