Home / 355,899.42-533,896.11-131,417.64

Finding the Fourth Proportional to 355,899.42, 533,896.11 and 131,417.64

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Solution

The fourth proportional to 355,899.42, 533,896.11 and 131,417.64 is: 197,143.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    355,899.42 : 533,896.11 = 131,417.64 : x
  2. Step 2: Convert to fraction form
    355,899.42/533,896.11 = 131,417.64/x
  3. Step 3: Cross multiply
    355,899.42x = 533,896.11 × 131,417.64
  4. Step 4: Simplify right side
    355,899.42x = 70,163,366,781.38
  5. Step 5: Solve for x
    x = 70,163,366,781.38/355,899.42
  6. Step 6: Final answer
    x = 197,143.81

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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.