Home / 309,017.20-462,682.86-233,909.68

Finding the Fourth Proportional to 309,017.20, 462,682.86 and 233,909.68

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Solution

The fourth proportional to 309,017.20, 462,682.86 and 233,909.68 is: 350,226.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    309,017.20 : 462,682.86 = 233,909.68 : x
  2. Step 2: Convert to fraction form
    309,017.20/462,682.86 = 233,909.68/x
  3. Step 3: Cross multiply
    309,017.20x = 462,682.86 × 233,909.68
  4. Step 4: Simplify right side
    309,017.20x = 108,225,999,724.09
  5. Step 5: Solve for x
    x = 108,225,999,724.09/309,017.20
  6. Step 6: Final answer
    x = 350,226.46

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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.