Home / 351,429.22-484,609.83-300,610.18

Finding the Fourth Proportional to 351,429.22, 484,609.83 and 300,610.18

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Solution

The fourth proportional to 351,429.22, 484,609.83 and 300,610.18 is: 414,531.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    351,429.22 : 484,609.83 = 300,610.18 : x
  2. Step 2: Convert to fraction form
    351,429.22/484,609.83 = 300,610.18/x
  3. Step 3: Cross multiply
    351,429.22x = 484,609.83 × 300,610.18
  4. Step 4: Simplify right side
    351,429.22x = 145,678,648,226.07
  5. Step 5: Solve for x
    x = 145,678,648,226.07/351,429.22
  6. Step 6: Final answer
    x = 414,531.97

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.