Home / 403,748.42-557,185.44-231,697.86

Finding the Fourth Proportional to 403,748.42, 557,185.44 and 231,697.86

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Solution

The fourth proportional to 403,748.42, 557,185.44 and 231,697.86 is: 319,750.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    403,748.42 : 557,185.44 = 231,697.86 : x
  2. Step 2: Convert to fraction form
    403,748.42/557,185.44 = 231,697.86/x
  3. Step 3: Cross multiply
    403,748.42x = 557,185.44 × 231,697.86
  4. Step 4: Simplify right side
    403,748.42x = 129,098,671,285.23
  5. Step 5: Solve for x
    x = 129,098,671,285.23/403,748.42
  6. Step 6: Final answer
    x = 319,750.29

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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.