Home / 314,720.68-434,309.04-171,481.92

Finding the Fourth Proportional to 314,720.68, 434,309.04 and 171,481.92

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Solution

The fourth proportional to 314,720.68, 434,309.04 and 171,481.92 is: 236,642.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    314,720.68 : 434,309.04 = 171,481.92 : x
  2. Step 2: Convert to fraction form
    314,720.68/434,309.04 = 171,481.92/x
  3. Step 3: Cross multiply
    314,720.68x = 434,309.04 × 171,481.92
  4. Step 4: Simplify right side
    314,720.68x = 74,476,148,052.56
  5. Step 5: Solve for x
    x = 74,476,148,052.56/314,720.68
  6. Step 6: Final answer
    x = 236,642.05

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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.