Home / 403,749.92-557,187.48-231,699.35

Finding the Fourth Proportional to 403,749.92, 557,187.48 and 231,699.35

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Solution

The fourth proportional to 403,749.92, 557,187.48 and 231,699.35 is: 319,752.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    403,749.92 : 557,187.48 = 231,699.35 : x
  2. Step 2: Convert to fraction form
    403,749.92/557,187.48 = 231,699.35/x
  3. Step 3: Cross multiply
    403,749.92x = 557,187.48 × 231,699.35
  4. Step 4: Simplify right side
    403,749.92x = 129,099,977,484.72
  5. Step 5: Solve for x
    x = 129,099,977,484.72/403,749.92
  6. Step 6: Final answer
    x = 319,752.33

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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.