Home / 264,530.40-396,795.60-140,114.40

Finding the Fourth Proportional to 264,530.40, 396,795.60 and 140,114.40

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Solution

The fourth proportional to 264,530.40, 396,795.60 and 140,114.40 is: 210,171.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    264,530.40 : 396,795.60 = 140,114.40 : x
  2. Step 2: Convert to fraction form
    264,530.40/396,795.60 = 140,114.40/x
  3. Step 3: Cross multiply
    264,530.40x = 396,795.60 × 140,114.40
  4. Step 4: Simplify right side
    264,530.40x = 55,596,777,416.64
  5. Step 5: Solve for x
    x = 55,596,777,416.64/264,530.40
  6. Step 6: Final answer
    x = 210,171.60

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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.