Home / 491,313.96-736,971.29-136,328.33

Finding the Fourth Proportional to 491,313.96, 736,971.29 and 136,328.33

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Solution

The fourth proportional to 491,313.96, 736,971.29 and 136,328.33 is: 204,492.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    491,313.96 : 736,971.29 = 136,328.33 : x
  2. Step 2: Convert to fraction form
    491,313.96/736,971.29 = 136,328.33/x
  3. Step 3: Cross multiply
    491,313.96x = 736,971.29 × 136,328.33
  4. Step 4: Simplify right side
    491,313.96x = 100,470,060,857.15
  5. Step 5: Solve for x
    x = 100,470,060,857.15/491,313.96
  6. Step 6: Final answer
    x = 204,492.58

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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.