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Finding the Fourth Proportional to 447,083.17, 670,920.20 and 210,493.51

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Solution

The fourth proportional to 447,083.17, 670,920.20 and 210,493.51 is: 315,879.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    447,083.17 : 670,920.20 = 210,493.51 : x
  2. Step 2: Convert to fraction form
    447,083.17/670,920.20 = 210,493.51/x
  3. Step 3: Cross multiply
    447,083.17x = 670,920.20 × 210,493.51
  4. Step 4: Simplify right side
    447,083.17x = 141,224,348,354.14
  5. Step 5: Solve for x
    x = 141,224,348,354.14/447,083.17
  6. Step 6: Final answer
    x = 315,879.37

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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.