Home / 334,571.80-501,691.65-121,331.20

Finding the Fourth Proportional to 334,571.80, 501,691.65 and 121,331.20

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Solution

The fourth proportional to 334,571.80, 501,691.65 and 121,331.20 is: 181,936.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    334,571.80 : 501,691.65 = 121,331.20 : x
  2. Step 2: Convert to fraction form
    334,571.80/501,691.65 = 121,331.20/x
  3. Step 3: Cross multiply
    334,571.80x = 501,691.65 × 121,331.20
  4. Step 4: Simplify right side
    334,571.80x = 60,870,849,924.48
  5. Step 5: Solve for x
    x = 60,870,849,924.48/334,571.80
  6. Step 6: Final answer
    x = 181,936.58

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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.