Home / 299,736.20-448,281.66-266,688.20

Finding the Fourth Proportional to 299,736.20, 448,281.66 and 266,688.20

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Solution

The fourth proportional to 299,736.20, 448,281.66 and 266,688.20 is: 398,855.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    299,736.20 : 448,281.66 = 266,688.20 : x
  2. Step 2: Convert to fraction form
    299,736.20/448,281.66 = 266,688.20/x
  3. Step 3: Cross multiply
    299,736.20x = 448,281.66 × 266,688.20
  4. Step 4: Simplify right side
    299,736.20x = 119,551,428,998.41
  5. Step 5: Solve for x
    x = 119,551,428,998.41/299,736.20
  6. Step 6: Final answer
    x = 398,855.49

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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.