Home / 309,726.06-464,719.77-169,320.66

Finding the Fourth Proportional to 309,726.06, 464,719.77 and 169,320.66

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Solution

The fourth proportional to 309,726.06, 464,719.77 and 169,320.66 is: 254,052.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    309,726.06 : 464,719.77 = 169,320.66 : x
  2. Step 2: Convert to fraction form
    309,726.06/464,719.77 = 169,320.66/x
  3. Step 3: Cross multiply
    309,726.06x = 464,719.77 × 169,320.66
  4. Step 4: Simplify right side
    309,726.06x = 78,686,658,171.45
  5. Step 5: Solve for x
    x = 78,686,658,171.45/309,726.06
  6. Step 6: Final answer
    x = 254,052.43

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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.