Home / 637,121.58-955,819.17-210,634.62

Finding the Fourth Proportional to 637,121.58, 955,819.17 and 210,634.62

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Solution

The fourth proportional to 637,121.58, 955,819.17 and 210,634.62 is: 315,997.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    637,121.58 : 955,819.17 = 210,634.62 : x
  2. Step 2: Convert to fraction form
    637,121.58/955,819.17 = 210,634.62/x
  3. Step 3: Cross multiply
    637,121.58x = 955,819.17 × 210,634.62
  4. Step 4: Simplify right side
    637,121.58x = 201,328,607,661.67
  5. Step 5: Solve for x
    x = 201,328,607,661.67/637,121.58
  6. Step 6: Final answer
    x = 315,997.16

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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.