Home / 264,639.28-365,200.68-143,779.76

Finding the Fourth Proportional to 264,639.28, 365,200.68 and 143,779.76

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Solution

The fourth proportional to 264,639.28, 365,200.68 and 143,779.76 is: 198,415.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    264,639.28 : 365,200.68 = 143,779.76 : x
  2. Step 2: Convert to fraction form
    264,639.28/365,200.68 = 143,779.76/x
  3. Step 3: Cross multiply
    264,639.28x = 365,200.68 × 143,779.76
  4. Step 4: Simplify right side
    264,639.28x = 52,508,466,122.24
  5. Step 5: Solve for x
    x = 52,508,466,122.24/264,639.28
  6. Step 6: Final answer
    x = 198,415.24

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1.5x scale

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.