Home / 313,217.72-432,240.77-169,977.79

Finding the Fourth Proportional to 313,217.72, 432,240.77 and 169,977.79

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Solution

The fourth proportional to 313,217.72, 432,240.77 and 169,977.79 is: 234,569.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    313,217.72 : 432,240.77 = 169,977.79 : x
  2. Step 2: Convert to fraction form
    313,217.72/432,240.77 = 169,977.79/x
  3. Step 3: Cross multiply
    313,217.72x = 432,240.77 × 169,977.79
  4. Step 4: Simplify right side
    313,217.72x = 73,471,331,797.74
  5. Step 5: Solve for x
    x = 73,471,331,797.74/313,217.72
  6. Step 6: Final answer
    x = 234,569.53

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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.