Home / 436,625.44-654,938.16-121,082.34

Finding the Fourth Proportional to 436,625.44, 654,938.16 and 121,082.34

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Solution

The fourth proportional to 436,625.44, 654,938.16 and 121,082.34 is: 181,623.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    436,625.44 : 654,938.16 = 121,082.34 : x
  2. Step 2: Convert to fraction form
    436,625.44/654,938.16 = 121,082.34/x
  3. Step 3: Cross multiply
    436,625.44x = 654,938.16 × 121,082.34
  4. Step 4: Simplify right side
    436,625.44x = 79,301,446,970.05
  5. Step 5: Solve for x
    x = 79,301,446,970.05/436,625.44
  6. Step 6: Final answer
    x = 181,623.52

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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.