Home / 313,977.77-433,294.60-170,742.02

Finding the Fourth Proportional to 313,977.77, 433,294.60 and 170,742.02

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Solution

The fourth proportional to 313,977.77, 433,294.60 and 170,742.02 is: 235,626.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    313,977.77 : 433,294.60 = 170,742.02 : x
  2. Step 2: Convert to fraction form
    313,977.77/433,294.60 = 170,742.02/x
  3. Step 3: Cross multiply
    313,977.77x = 433,294.60 × 170,742.02
  4. Step 4: Simplify right side
    313,977.77x = 73,981,595,259.09
  5. Step 5: Solve for x
    x = 73,981,595,259.09/313,977.77
  6. Step 6: Final answer
    x = 235,626.86

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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.