Home / 243,705.40-365,558.10-172,846.60

Finding the Fourth Proportional to 243,705.40, 365,558.10 and 172,846.60

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Solution

The fourth proportional to 243,705.40, 365,558.10 and 172,846.60 is: 259,269.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    243,705.40 : 365,558.10 = 172,846.60 : x
  2. Step 2: Convert to fraction form
    243,705.40/365,558.10 = 172,846.60/x
  3. Step 3: Cross multiply
    243,705.40x = 365,558.10 × 172,846.60
  4. Step 4: Simplify right side
    243,705.40x = 63,185,474,687.46
  5. Step 5: Solve for x
    x = 63,185,474,687.46/243,705.40
  6. Step 6: Final answer
    x = 259,269.90

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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.