Home / 291,895.86-402,816.78-164,571.12

Finding the Fourth Proportional to 291,895.86, 402,816.78 and 164,571.12

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Solution

The fourth proportional to 291,895.86, 402,816.78 and 164,571.12 is: 227,108.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    291,895.86 : 402,816.78 = 164,571.12 : x
  2. Step 2: Convert to fraction form
    291,895.86/402,816.78 = 164,571.12/x
  3. Step 3: Cross multiply
    291,895.86x = 402,816.78 × 164,571.12
  4. Step 4: Simplify right side
    291,895.86x = 66,292,008,639.39
  5. Step 5: Solve for x
    x = 66,292,008,639.39/291,895.86
  6. Step 6: Final answer
    x = 227,108.42

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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.