Home / 421,932.11-632,947.37-169,300.80

Finding the Fourth Proportional to 421,932.11, 632,947.37 and 169,300.80

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Solution

The fourth proportional to 421,932.11, 632,947.37 and 169,300.80 is: 253,970.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    421,932.11 : 632,947.37 = 169,300.80 : x
  2. Step 2: Convert to fraction form
    421,932.11/632,947.37 = 169,300.80/x
  3. Step 3: Cross multiply
    421,932.11x = 632,947.37 × 169,300.80
  4. Step 4: Simplify right side
    421,932.11x = 107,158,495,252.39
  5. Step 5: Solve for x
    x = 107,158,495,252.39/421,932.11
  6. Step 6: Final answer
    x = 253,970.94

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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.