Home / 635,428.72-952,941.16-208,866.12

Finding the Fourth Proportional to 635,428.72, 952,941.16 and 208,866.12

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Solution

The fourth proportional to 635,428.72, 952,941.16 and 208,866.12 is: 313,232.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    635,428.72 : 952,941.16 = 208,866.12 : x
  2. Step 2: Convert to fraction form
    635,428.72/952,941.16 = 208,866.12/x
  3. Step 3: Cross multiply
    635,428.72x = 952,941.16 × 208,866.12
  4. Step 4: Simplify right side
    635,428.72x = 199,037,122,677.50
  5. Step 5: Solve for x
    x = 199,037,122,677.50/635,428.72
  6. Step 6: Final answer
    x = 313,232.81

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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.