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Finding the Fourth Proportional to 425,525.84, 638,304.96 and 159,258.32

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Solution

The fourth proportional to 425,525.84, 638,304.96 and 159,258.32 is: 238,893.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    425,525.84 : 638,304.96 = 159,258.32 : x
  2. Step 2: Convert to fraction form
    425,525.84/638,304.96 = 159,258.32/x
  3. Step 3: Cross multiply
    425,525.84x = 638,304.96 × 159,258.32
  4. Step 4: Simplify right side
    425,525.84x = 101,655,375,577.27
  5. Step 5: Solve for x
    x = 101,655,375,577.27/425,525.84
  6. Step 6: Final answer
    x = 238,893.54

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.