Finding the Fourth Proportional to 415,472.19, 573,351.87 and 224,485.53
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Solution
The fourth proportional to 415,472.19, 573,351.87 and 224,485.53 is: 309,790.17
Step by Step Solution
- Step 1: Write the proportion equation
415,472.19 : 573,351.87 = 224,485.53 : x - Step 2: Convert to fraction form
415,472.19/573,351.87 = 224,485.53/x - Step 3: Cross multiply
415,472.19x = 573,351.87 × 224,485.53 - Step 4: Simplify right side
415,472.19x = 128,709,198,413.44 - Step 5: Solve for x
x = 128,709,198,413.44/415,472.19 - Step 6: Final answer
x = 309,790.17
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.