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Finding the Fourth Proportional to 313,954.52, 432,525.02 and 218,295.14

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Solution

The fourth proportional to 313,954.52, 432,525.02 and 218,295.14 is: 300,738.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    313,954.52 : 432,525.02 = 218,295.14 : x
  2. Step 2: Convert to fraction form
    313,954.52/432,525.02 = 218,295.14/x
  3. Step 3: Cross multiply
    313,954.52x = 432,525.02 × 218,295.14
  4. Step 4: Simplify right side
    313,954.52x = 94,418,109,794.40
  5. Step 5: Solve for x
    x = 94,418,109,794.40/313,954.52
  6. Step 6: Final answer
    x = 300,738.18

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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.