Home / 349,829.40-524,744.10-279,845.40

Finding the Fourth Proportional to 349,829.40, 524,744.10 and 279,845.40

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Solution

The fourth proportional to 349,829.40, 524,744.10 and 279,845.40 is: 419,768.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    349,829.40 : 524,744.10 = 279,845.40 : x
  2. Step 2: Convert to fraction form
    349,829.40/524,744.10 = 279,845.40/x
  3. Step 3: Cross multiply
    349,829.40x = 524,744.10 × 279,845.40
  4. Step 4: Simplify right side
    349,829.40x = 146,847,222,562.14
  5. Step 5: Solve for x
    x = 146,847,222,562.14/349,829.40
  6. Step 6: Final answer
    x = 419,768.10

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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.