Home / 403,350.75-556,602.89-222,027.26

Finding the Fourth Proportional to 403,350.75, 556,602.89 and 222,027.26

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Solution

The fourth proportional to 403,350.75, 556,602.89 and 222,027.26 is: 306,385.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    403,350.75 : 556,602.89 = 222,027.26 : x
  2. Step 2: Convert to fraction form
    403,350.75/556,602.89 = 222,027.26/x
  3. Step 3: Cross multiply
    403,350.75x = 556,602.89 × 222,027.26
  4. Step 4: Simplify right side
    403,350.75x = 123,581,013,887.34
  5. Step 5: Solve for x
    x = 123,581,013,887.34/403,350.75
  6. Step 6: Final answer
    x = 306,385.98

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.