Finding the Fourth Proportional to 413,176.95, 618,436.62 and 213,224.94
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Solution
The fourth proportional to 413,176.95, 618,436.62 and 213,224.94 is: 319,151.66
Step by Step Solution
- Step 1: Write the proportion equation
413,176.95 : 618,436.62 = 213,224.94 : x - Step 2: Convert to fraction form
413,176.95/618,436.62 = 213,224.94/x - Step 3: Cross multiply
413,176.95x = 618,436.62 × 213,224.94 - Step 4: Simplify right side
413,176.95x = 131,866,111,193.30 - Step 5: Solve for x
x = 131,866,111,193.30/413,176.95 - Step 6: Final answer
x = 319,151.66
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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.