Home / 449,916.40-674,738.27-236,569.35

Finding the Fourth Proportional to 449,916.40, 674,738.27 and 236,569.35

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Solution

The fourth proportional to 449,916.40, 674,738.27 and 236,569.35 is: 354,782.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    449,916.40 : 674,738.27 = 236,569.35 : x
  2. Step 2: Convert to fraction form
    449,916.40/674,738.27 = 236,569.35/x
  3. Step 3: Cross multiply
    449,916.40x = 674,738.27 × 236,569.35
  4. Step 4: Simplify right side
    449,916.40x = 159,622,393,954.03
  5. Step 5: Solve for x
    x = 159,622,393,954.03/449,916.40
  6. Step 6: Final answer
    x = 354,782.34

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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.