Home / 300,313.98-450,455.18-75,674.25

Finding the Fourth Proportional to 300,313.98, 450,455.18 and 75,674.25

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Solution

The fourth proportional to 300,313.98, 450,455.18 and 75,674.25 is: 113,507.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    300,313.98 : 450,455.18 = 75,674.25 : x
  2. Step 2: Convert to fraction form
    300,313.98/450,455.18 = 75,674.25/x
  3. Step 3: Cross multiply
    300,313.98x = 450,455.18 × 75,674.25
  4. Step 4: Simplify right side
    300,313.98x = 34,087,857,526.74
  5. Step 5: Solve for x
    x = 34,087,857,526.74/300,313.98
  6. Step 6: Final answer
    x = 113,507.39

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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.