Home / 264,635.28-365,195.16-143,775.72

Finding the Fourth Proportional to 264,635.28, 365,195.16 and 143,775.72

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Solution

The fourth proportional to 264,635.28, 365,195.16 and 143,775.72 is: 198,409.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    264,635.28 : 365,195.16 = 143,775.72 : x
  2. Step 2: Convert to fraction form
    264,635.28/365,195.16 = 143,775.72/x
  3. Step 3: Cross multiply
    264,635.28x = 365,195.16 × 143,775.72
  4. Step 4: Simplify right side
    264,635.28x = 52,506,197,069.52
  5. Step 5: Solve for x
    x = 52,506,197,069.52/264,635.28
  6. Step 6: Final answer
    x = 198,409.66

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.