Home / 637,120.08-955,816.92-210,633.12

Finding the Fourth Proportional to 637,120.08, 955,816.92 and 210,633.12

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Solution

The fourth proportional to 637,120.08, 955,816.92 and 210,633.12 is: 315,994.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    637,120.08 : 955,816.92 = 210,633.12 : x
  2. Step 2: Convert to fraction form
    637,120.08/955,816.92 = 210,633.12/x
  3. Step 3: Cross multiply
    637,120.08x = 955,816.92 × 210,633.12
  4. Step 4: Simplify right side
    637,120.08x = 201,326,700,008.39
  5. Step 5: Solve for x
    x = 201,326,700,008.39/637,120.08
  6. Step 6: Final answer
    x = 315,994.91

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Similar ratio
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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.