Home / 290,935.02-401,495.23-161,883.80

Finding the Fourth Proportional to 290,935.02, 401,495.23 and 161,883.80

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Solution

The fourth proportional to 290,935.02, 401,495.23 and 161,883.80 is: 223,402.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    290,935.02 : 401,495.23 = 161,883.80 : x
  2. Step 2: Convert to fraction form
    290,935.02/401,495.23 = 161,883.80/x
  3. Step 3: Cross multiply
    290,935.02x = 401,495.23 × 161,883.80
  4. Step 4: Simplify right side
    290,935.02x = 64,995,573,514.27
  5. Step 5: Solve for x
    x = 64,995,573,514.27/290,935.02
  6. Step 6: Final answer
    x = 223,402.37

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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.