Finding the Fourth Proportional to 416,471.26, 624,248.38 and 272,317.63
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Solution
The fourth proportional to 416,471.26, 624,248.38 and 272,317.63 is: 408,176.64
Step by Step Solution
- Step 1: Write the proportion equation
416,471.26 : 624,248.38 = 272,317.63 : x - Step 2: Convert to fraction form
416,471.26/624,248.38 = 272,317.63/x - Step 3: Cross multiply
416,471.26x = 624,248.38 × 272,317.63 - Step 4: Simplify right side
416,471.26x = 169,993,839,372.94 - Step 5: Solve for x
x = 169,993,839,372.94/416,471.26 - Step 6: Final answer
x = 408,176.64
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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.