Finding the Fourth Proportional to 413,781.80, 620,672.70 and 177,585.80
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Solution
The fourth proportional to 413,781.80, 620,672.70 and 177,585.80 is: 266,378.70
Step by Step Solution
- Step 1: Write the proportion equation
413,781.80 : 620,672.70 = 177,585.80 : x - Step 2: Convert to fraction form
413,781.80/620,672.70 = 177,585.80/x - Step 3: Cross multiply
413,781.80x = 620,672.70 × 177,585.80 - Step 4: Simplify right side
413,781.80x = 110,222,657,967.66 - Step 5: Solve for x
x = 110,222,657,967.66/413,781.80 - Step 6: Final answer
x = 266,378.70
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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.