Home / 253,718.84-379,971.96-141,119.36

Finding the Fourth Proportional to 253,718.84, 379,971.96 and 141,119.36

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Solution

The fourth proportional to 253,718.84, 379,971.96 and 141,119.36 is: 211,341.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    253,718.84 : 379,971.96 = 141,119.36 : x
  2. Step 2: Convert to fraction form
    253,718.84/379,971.96 = 141,119.36/x
  3. Step 3: Cross multiply
    253,718.84x = 379,971.96 × 141,119.36
  4. Step 4: Simplify right side
    253,718.84x = 53,621,399,813.15
  5. Step 5: Solve for x
    x = 53,621,399,813.15/253,718.84
  6. Step 6: Final answer
    x = 211,341.81

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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.