Home / 401,389.82-602,053.26-113,189.80

Finding the Fourth Proportional to 401,389.82, 602,053.26 and 113,189.80

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Solution

The fourth proportional to 401,389.82, 602,053.26 and 113,189.80 is: 169,775.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    401,389.82 : 602,053.26 = 113,189.80 : x
  2. Step 2: Convert to fraction form
    401,389.82/602,053.26 = 113,189.80/x
  3. Step 3: Cross multiply
    401,389.82x = 602,053.26 × 113,189.80
  4. Step 4: Simplify right side
    401,389.82x = 68,146,288,088.75
  5. Step 5: Solve for x
    x = 68,146,288,088.75/401,389.82
  6. Step 6: Final answer
    x = 169,775.83

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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.