Home / 350,939.72-484,179.01-286,297.20

Finding the Fourth Proportional to 350,939.72, 484,179.01 and 286,297.20

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Solution

The fourth proportional to 350,939.72, 484,179.01 and 286,297.20 is: 394,994.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    350,939.72 : 484,179.01 = 286,297.20 : x
  2. Step 2: Convert to fraction form
    350,939.72/484,179.01 = 286,297.20/x
  3. Step 3: Cross multiply
    350,939.72x = 484,179.01 × 286,297.20
  4. Step 4: Simplify right side
    350,939.72x = 138,619,094,861.77
  5. Step 5: Solve for x
    x = 138,619,094,861.77/350,939.72
  6. Step 6: Final answer
    x = 394,994.03

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.