Home / 291,989.34-402,869.03-171,065.66

Finding the Fourth Proportional to 291,989.34, 402,869.03 and 171,065.66

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Solution

The fourth proportional to 291,989.34, 402,869.03 and 171,065.66 is: 236,025.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    291,989.34 : 402,869.03 = 171,065.66 : x
  2. Step 2: Convert to fraction form
    291,989.34/402,869.03 = 171,065.66/x
  3. Step 3: Cross multiply
    291,989.34x = 402,869.03 × 171,065.66
  4. Step 4: Simplify right side
    291,989.34x = 68,917,053,640.84
  5. Step 5: Solve for x
    x = 68,917,053,640.84/291,989.34
  6. Step 6: Final answer
    x = 236,025.92

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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.