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Finding the Fourth Proportional to 299,360.35, 449,040.53 and 266,883.40

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Solution

The fourth proportional to 299,360.35, 449,040.53 and 266,883.40 is: 400,325.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    299,360.35 : 449,040.53 = 266,883.40 : x
  2. Step 2: Convert to fraction form
    299,360.35/449,040.53 = 266,883.40/x
  3. Step 3: Cross multiply
    299,360.35x = 449,040.53 × 266,883.40
  4. Step 4: Simplify right side
    299,360.35x = 119,841,462,049.79
  5. Step 5: Solve for x
    x = 119,841,462,049.79/299,360.35
  6. Step 6: Final answer
    x = 400,325.10

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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.