Home / 264,505.20-396,174.60-139,700.40

Finding the Fourth Proportional to 264,505.20, 396,174.60 and 139,700.40

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Solution

The fourth proportional to 264,505.20, 396,174.60 and 139,700.40 is: 209,242.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    264,505.20 : 396,174.60 = 139,700.40 : x
  2. Step 2: Convert to fraction form
    264,505.20/396,174.60 = 139,700.40/x
  3. Step 3: Cross multiply
    264,505.20x = 396,174.60 × 139,700.40
  4. Step 4: Simplify right side
    264,505.20x = 55,345,750,089.84
  5. Step 5: Solve for x
    x = 55,345,750,089.84/264,505.20
  6. Step 6: Final answer
    x = 209,242.58

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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.