Home / 291,913.20-402,823.80-164,581.20

Finding the Fourth Proportional to 291,913.20, 402,823.80 and 164,581.20

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Solution

The fourth proportional to 291,913.20, 402,823.80 and 164,581.20 is: 227,112.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    291,913.20 : 402,823.80 = 164,581.20 : x
  2. Step 2: Convert to fraction form
    291,913.20/402,823.80 = 164,581.20/x
  3. Step 3: Cross multiply
    291,913.20x = 402,823.80 × 164,581.20
  4. Step 4: Simplify right side
    291,913.20x = 66,297,224,392.56
  5. Step 5: Solve for x
    x = 66,297,224,392.56/291,913.20
  6. Step 6: Final answer
    x = 227,112.80

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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.