Home / 347,439.65-521,249.32-203,467.06

Finding the Fourth Proportional to 347,439.65, 521,249.32 and 203,467.06

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Solution

The fourth proportional to 347,439.65, 521,249.32 and 203,467.06 is: 305,253.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    347,439.65 : 521,249.32 = 203,467.06 : x
  2. Step 2: Convert to fraction form
    347,439.65/521,249.32 = 203,467.06/x
  3. Step 3: Cross multiply
    347,439.65x = 521,249.32 × 203,467.06
  4. Step 4: Simplify right side
    347,439.65x = 106,057,065,364.28
  5. Step 5: Solve for x
    x = 106,057,065,364.28/347,439.65
  6. Step 6: Final answer
    x = 305,253.21

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1.5x scale

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.