Home / 291,528.09-402,171.30-170,595.20

Finding the Fourth Proportional to 291,528.09, 402,171.30 and 170,595.20

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Solution

The fourth proportional to 291,528.09, 402,171.30 and 170,595.20 is: 235,340.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    291,528.09 : 402,171.30 = 170,595.20 : x
  2. Step 2: Convert to fraction form
    291,528.09/402,171.30 = 170,595.20/x
  3. Step 3: Cross multiply
    291,528.09x = 402,171.30 × 170,595.20
  4. Step 4: Simplify right side
    291,528.09x = 68,608,493,357.76
  5. Step 5: Solve for x
    x = 68,608,493,357.76/291,528.09
  6. Step 6: Final answer
    x = 235,340.94

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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.