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Finding the Fourth Proportional to 313,523.95, 432,662.73 and 170,284.11

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Solution

The fourth proportional to 313,523.95, 432,662.73 and 170,284.11 is: 234,991.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    313,523.95 : 432,662.73 = 170,284.11 : x
  2. Step 2: Convert to fraction form
    313,523.95/432,662.73 = 170,284.11/x
  3. Step 3: Cross multiply
    313,523.95x = 432,662.73 × 170,284.11
  4. Step 4: Simplify right side
    313,523.95x = 73,675,587,908.22
  5. Step 5: Solve for x
    x = 73,675,587,908.22/313,523.95
  6. Step 6: Final answer
    x = 234,991.90

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1.5x scale

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.