Home / 291,331.08-402,096.96-170,535.78

Finding the Fourth Proportional to 291,331.08, 402,096.96 and 170,535.78

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Solution

The fourth proportional to 291,331.08, 402,096.96 and 170,535.78 is: 235,374.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    291,331.08 : 402,096.96 = 170,535.78 : x
  2. Step 2: Convert to fraction form
    291,331.08/402,096.96 = 170,535.78/x
  3. Step 3: Cross multiply
    291,331.08x = 402,096.96 × 170,535.78
  4. Step 4: Simplify right side
    291,331.08x = 68,571,918,709.23
  5. Step 5: Solve for x
    x = 68,571,918,709.23/291,331.08
  6. Step 6: Final answer
    x = 235,374.54

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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.