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Finding the Fourth Proportional to 243,586.90, 365,380.35 and 155,232.10

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Solution

The fourth proportional to 243,586.90, 365,380.35 and 155,232.10 is: 232,848.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    243,586.90 : 365,380.35 = 155,232.10 : x
  2. Step 2: Convert to fraction form
    243,586.90/365,380.35 = 155,232.10/x
  3. Step 3: Cross multiply
    243,586.90x = 365,380.35 × 155,232.10
  4. Step 4: Simplify right side
    243,586.90x = 56,718,759,029.24
  5. Step 5: Solve for x
    x = 56,718,759,029.24/243,586.90
  6. Step 6: Final answer
    x = 232,848.15

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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.