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Finding the Fourth Proportional to 286,873.68, 395,875 and 159,546.54

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Solution

The fourth proportional to 286,873.68, 395,875 and 159,546.54 is: 220,168.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    286,873.68 : 395,875 = 159,546.54 : x
  2. Step 2: Convert to fraction form
    286,873.68/395,875 = 159,546.54/x
  3. Step 3: Cross multiply
    286,873.68x = 395,875 × 159,546.54
  4. Step 4: Simplify right side
    286,873.68x = 63,160,486,522.50
  5. Step 5: Solve for x
    x = 63,160,486,522.50/286,873.68
  6. Step 6: Final answer
    x = 220,168.29

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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.