Finding the Fourth Proportional to 193,058.24, 289,669.80 and 99,629.60
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Solution
The fourth proportional to 193,058.24, 289,669.80 and 99,629.60 is: 149,486.94
Step by Step Solution
- Step 1: Write the proportion equation
193,058.24 : 289,669.80 = 99,629.60 : x - Step 2: Convert to fraction form
193,058.24/289,669.80 = 99,629.60/x - Step 3: Cross multiply
193,058.24x = 289,669.80 × 99,629.60 - Step 4: Simplify right side
193,058.24x = 28,859,686,306.08 - Step 5: Solve for x
x = 28,859,686,306.08/193,058.24 - Step 6: Final answer
x = 149,486.94
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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.