Finding the Fourth Proportional to 272,945.90, 409,418.84 and 106,617.26
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Solution
The fourth proportional to 272,945.90, 409,418.84 and 106,617.26 is: 159,925.89
Step by Step Solution
- Step 1: Write the proportion equation
272,945.90 : 409,418.84 = 106,617.26 : x - Step 2: Convert to fraction form
272,945.90/409,418.84 = 106,617.26/x - Step 3: Cross multiply
272,945.90x = 409,418.84 × 106,617.26 - Step 4: Simplify right side
272,945.90x = 43,651,114,913.18 - Step 5: Solve for x
x = 43,651,114,913.18/272,945.90 - Step 6: Final answer
x = 159,925.89
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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.