Finding the Fourth Proportional to 403,944.17, 605,916.27 and 123,458.99
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Solution
The fourth proportional to 403,944.17, 605,916.27 and 123,458.99 is: 185,188.49
Step by Step Solution
- Step 1: Write the proportion equation
403,944.17 : 605,916.27 = 123,458.99 : x - Step 2: Convert to fraction form
403,944.17/605,916.27 = 123,458.99/x - Step 3: Cross multiply
403,944.17x = 605,916.27 × 123,458.99 - Step 4: Simplify right side
403,944.17x = 74,805,810,718.77 - Step 5: Solve for x
x = 74,805,810,718.77/403,944.17 - Step 6: Final answer
x = 185,188.49
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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.