Home / 382,968.12-574,451.28-102,485.36

Finding the Fourth Proportional to 382,968.12, 574,451.28 and 102,485.36

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Solution

The fourth proportional to 382,968.12, 574,451.28 and 102,485.36 is: 153,727.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    382,968.12 : 574,451.28 = 102,485.36 : x
  2. Step 2: Convert to fraction form
    382,968.12/574,451.28 = 102,485.36/x
  3. Step 3: Cross multiply
    382,968.12x = 574,451.28 × 102,485.36
  4. Step 4: Simplify right side
    382,968.12x = 58,872,846,233.26
  5. Step 5: Solve for x
    x = 58,872,846,233.26/382,968.12
  6. Step 6: Final answer
    x = 153,727.80

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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.