Home / 286,426.83-395,216.91-165,523.80

Finding the Fourth Proportional to 286,426.83, 395,216.91 and 165,523.80

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Solution

The fourth proportional to 286,426.83, 395,216.91 and 165,523.80 is: 228,392.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    286,426.83 : 395,216.91 = 165,523.80 : x
  2. Step 2: Convert to fraction form
    286,426.83/395,216.91 = 165,523.80/x
  3. Step 3: Cross multiply
    286,426.83x = 395,216.91 × 165,523.80
  4. Step 4: Simplify right side
    286,426.83x = 65,417,804,767.46
  5. Step 5: Solve for x
    x = 65,417,804,767.46/286,426.83
  6. Step 6: Final answer
    x = 228,392.73

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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.