Home / 330,412.38-455,996.93-185,215.83

Finding the Fourth Proportional to 330,412.38, 455,996.93 and 185,215.83

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Solution

The fourth proportional to 330,412.38, 455,996.93 and 185,215.83 is: 255,613.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    330,412.38 : 455,996.93 = 185,215.83 : x
  2. Step 2: Convert to fraction form
    330,412.38/455,996.93 = 185,215.83/x
  3. Step 3: Cross multiply
    330,412.38x = 455,996.93 × 185,215.83
  4. Step 4: Simplify right side
    330,412.38x = 84,457,847,231.33
  5. Step 5: Solve for x
    x = 84,457,847,231.33/330,412.38
  6. Step 6: Final answer
    x = 255,613.45

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1.5x scale

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.