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Finding the Fourth Proportional to 313,200.63, 432,218.03 and 169,960.68

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Solution

The fourth proportional to 313,200.63, 432,218.03 and 169,960.68 is: 234,546.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    313,200.63 : 432,218.03 = 169,960.68 : x
  2. Step 2: Convert to fraction form
    313,200.63/432,218.03 = 169,960.68/x
  3. Step 3: Cross multiply
    313,200.63x = 432,218.03 × 169,960.68
  4. Step 4: Simplify right side
    313,200.63x = 73,460,069,437.26
  5. Step 5: Solve for x
    x = 73,460,069,437.26/313,200.63
  6. Step 6: Final answer
    x = 234,546.37

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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.