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Finding the Fourth Proportional to 386,158.60, 579,237.90 and 101,848.60

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Solution

The fourth proportional to 386,158.60, 579,237.90 and 101,848.60 is: 152,772.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    386,158.60 : 579,237.90 = 101,848.60 : x
  2. Step 2: Convert to fraction form
    386,158.60/579,237.90 = 101,848.60/x
  3. Step 3: Cross multiply
    386,158.60x = 579,237.90 × 101,848.60
  4. Step 4: Simplify right side
    386,158.60x = 58,994,569,181.94
  5. Step 5: Solve for x
    x = 58,994,569,181.94/386,158.60
  6. Step 6: Final answer
    x = 152,772.90

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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.