Home / 291,727.93-402,659.45-190,006.87

Finding the Fourth Proportional to 291,727.93, 402,659.45 and 190,006.87

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Solution

The fourth proportional to 291,727.93, 402,659.45 and 190,006.87 is: 262,258.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    291,727.93 : 402,659.45 = 190,006.87 : x
  2. Step 2: Convert to fraction form
    291,727.93/402,659.45 = 190,006.87/x
  3. Step 3: Cross multiply
    291,727.93x = 402,659.45 × 190,006.87
  4. Step 4: Simplify right side
    291,727.93x = 76,508,061,770.42
  5. Step 5: Solve for x
    x = 76,508,061,770.42/291,727.93
  6. Step 6: Final answer
    x = 262,258.27

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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.