Home / 380,204.80-569,846.40-169,619.20

Finding the Fourth Proportional to 380,204.80, 569,846.40 and 169,619.20

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Solution

The fourth proportional to 380,204.80, 569,846.40 and 169,619.20 is: 254,223.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    380,204.80 : 569,846.40 = 169,619.20 : x
  2. Step 2: Convert to fraction form
    380,204.80/569,846.40 = 169,619.20/x
  3. Step 3: Cross multiply
    380,204.80x = 569,846.40 × 169,619.20
  4. Step 4: Simplify right side
    380,204.80x = 96,656,890,490.88
  5. Step 5: Solve for x
    x = 96,656,890,490.88/380,204.80
  6. Step 6: Final answer
    x = 254,223.23

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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.