Home / 300,810.24-451,215.36-79,226.88

Finding the Fourth Proportional to 300,810.24, 451,215.36 and 79,226.88

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Solution

The fourth proportional to 300,810.24, 451,215.36 and 79,226.88 is: 118,840.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    300,810.24 : 451,215.36 = 79,226.88 : x
  2. Step 2: Convert to fraction form
    300,810.24/451,215.36 = 79,226.88/x
  3. Step 3: Cross multiply
    300,810.24x = 451,215.36 × 79,226.88
  4. Step 4: Simplify right side
    300,810.24x = 35,748,385,180.88
  5. Step 5: Solve for x
    x = 35,748,385,180.88/300,810.24
  6. Step 6: Final answer
    x = 118,840.32

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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.