Home / 629,138.34-943,641.90-179,830.13

Finding the Fourth Proportional to 629,138.34, 943,641.90 and 179,830.13

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Solution

The fourth proportional to 629,138.34, 943,641.90 and 179,830.13 is: 269,726.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    629,138.34 : 943,641.90 = 179,830.13 : x
  2. Step 2: Convert to fraction form
    629,138.34/943,641.90 = 179,830.13/x
  3. Step 3: Cross multiply
    629,138.34x = 943,641.90 × 179,830.13
  4. Step 4: Simplify right side
    629,138.34x = 169,695,240,832.24
  5. Step 5: Solve for x
    x = 169,695,240,832.24/629,138.34
  6. Step 6: Final answer
    x = 269,726.43

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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.