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Finding the Fourth Proportional to 365,703.65, 548,358.24 and 165,915.03

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Solution

The fourth proportional to 365,703.65, 548,358.24 and 165,915.03 is: 248,783.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    365,703.65 : 548,358.24 = 165,915.03 : x
  2. Step 2: Convert to fraction form
    365,703.65/548,358.24 = 165,915.03/x
  3. Step 3: Cross multiply
    365,703.65x = 548,358.24 × 165,915.03
  4. Step 4: Simplify right side
    365,703.65x = 90,980,873,840.35
  5. Step 5: Solve for x
    x = 90,980,873,840.35/365,703.65
  6. Step 6: Final answer
    x = 248,783.06

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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.