Home / 437,642.20-603,945.75-236,438.20

Finding the Fourth Proportional to 437,642.20, 603,945.75 and 236,438.20

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Solution

The fourth proportional to 437,642.20, 603,945.75 and 236,438.20 is: 326,284.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    437,642.20 : 603,945.75 = 236,438.20 : x
  2. Step 2: Convert to fraction form
    437,642.20/603,945.75 = 236,438.20/x
  3. Step 3: Cross multiply
    437,642.20x = 603,945.75 × 236,438.20
  4. Step 4: Simplify right side
    437,642.20x = 142,795,846,027.65
  5. Step 5: Solve for x
    x = 142,795,846,027.65/437,642.20
  6. Step 6: Final answer
    x = 326,284.45

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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.