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Finding the Fourth Proportional to 382,860.51, 574,290.58 and 157,973.68

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Solution

The fourth proportional to 382,860.51, 574,290.58 and 157,973.68 is: 236,960.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    382,860.51 : 574,290.58 = 157,973.68 : x
  2. Step 2: Convert to fraction form
    382,860.51/574,290.58 = 157,973.68/x
  3. Step 3: Cross multiply
    382,860.51x = 574,290.58 × 157,973.68
  4. Step 4: Simplify right side
    382,860.51x = 90,722,796,311.93
  5. Step 5: Solve for x
    x = 90,722,796,311.93/382,860.51
  6. Step 6: Final answer
    x = 236,960.44

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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.