Home / 331,300.35-457,182.02-202,454.27

Finding the Fourth Proportional to 331,300.35, 457,182.02 and 202,454.27

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Solution

The fourth proportional to 331,300.35, 457,182.02 and 202,454.27 is: 279,379.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    331,300.35 : 457,182.02 = 202,454.27 : x
  2. Step 2: Convert to fraction form
    331,300.35/457,182.02 = 202,454.27/x
  3. Step 3: Cross multiply
    331,300.35x = 457,182.02 × 202,454.27
  4. Step 4: Simplify right side
    331,300.35x = 92,558,448,818.04
  5. Step 5: Solve for x
    x = 92,558,448,818.04/331,300.35
  6. Step 6: Final answer
    x = 279,379.27

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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.