Finding the Fourth Proportional to 625,618.74, 938,428.11 and 226,166.07
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Solution
The fourth proportional to 625,618.74, 938,428.11 and 226,166.07 is: 339,249.11
Step by Step Solution
- Step 1: Write the proportion equation
625,618.74 : 938,428.11 = 226,166.07 : x - Step 2: Convert to fraction form
625,618.74/938,428.11 = 226,166.07/x - Step 3: Cross multiply
625,618.74x = 938,428.11 × 226,166.07 - Step 4: Simplify right side
625,618.74x = 212,240,597,616.23 - Step 5: Solve for x
x = 212,240,597,616.23/625,618.74 - Step 6: Final answer
x = 339,249.11
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Similar ratio
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1.5x scale
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.