Finding the Fourth Proportional to 416,369.23, 624,460.39 and 191,513.68
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Solution
The fourth proportional to 416,369.23, 624,460.39 and 191,513.68 is: 287,227.53
Step by Step Solution
- Step 1: Write the proportion equation
416,369.23 : 624,460.39 = 191,513.68 : x - Step 2: Convert to fraction form
416,369.23/624,460.39 = 191,513.68/x - Step 3: Cross multiply
416,369.23x = 624,460.39 × 191,513.68 - Step 4: Simplify right side
416,369.23x = 119,592,707,303.14 - Step 5: Solve for x
x = 119,592,707,303.14/416,369.23 - Step 6: Final answer
x = 287,227.53
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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.