Home / 215,827.80-323,741.70-163,339.80

Finding the Fourth Proportional to 215,827.80, 323,741.70 and 163,339.80

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Solution

The fourth proportional to 215,827.80, 323,741.70 and 163,339.80 is: 245,009.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,827.80 : 323,741.70 = 163,339.80 : x
  2. Step 2: Convert to fraction form
    215,827.80/323,741.70 = 163,339.80/x
  3. Step 3: Cross multiply
    215,827.80x = 323,741.70 × 163,339.80
  4. Step 4: Simplify right side
    215,827.80x = 52,879,904,529.66
  5. Step 5: Solve for x
    x = 52,879,904,529.66/215,827.80
  6. Step 6: Final answer
    x = 245,009.70

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.