Home / 401,004.42-601,379.45-131,071.51

Finding the Fourth Proportional to 401,004.42, 601,379.45 and 131,071.51

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Solution

The fourth proportional to 401,004.42, 601,379.45 and 131,071.51 is: 196,565.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    401,004.42 : 601,379.45 = 131,071.51 : x
  2. Step 2: Convert to fraction form
    401,004.42/601,379.45 = 131,071.51/x
  3. Step 3: Cross multiply
    401,004.42x = 601,379.45 × 131,071.51
  4. Step 4: Simplify right side
    401,004.42x = 78,823,713,182.35
  5. Step 5: Solve for x
    x = 78,823,713,182.35/401,004.42
  6. Step 6: Final answer
    x = 196,565.70

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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.