Finding the Fourth Proportional to 103,506.44, 155,292.47 and 36,945.09
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Solution
The fourth proportional to 103,506.44, 155,292.47 and 36,945.09 is: 55,429.35
Step by Step Solution
- Step 1: Write the proportion equation
103,506.44 : 155,292.47 = 36,945.09 : x - Step 2: Convert to fraction form
103,506.44/155,292.47 = 36,945.09/x - Step 3: Cross multiply
103,506.44x = 155,292.47 × 36,945.09 - Step 4: Simplify right side
103,506.44x = 5,737,294,095.75 - Step 5: Solve for x
x = 5,737,294,095.75/103,506.44 - Step 6: Final answer
x = 55,429.35
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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.