Finding the Fourth Proportional to 417,603.98, 576,293.50 and 226,617.38
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Solution
The fourth proportional to 417,603.98, 576,293.50 and 226,617.38 is: 312,731.99
Step by Step Solution
- Step 1: Write the proportion equation
417,603.98 : 576,293.50 = 226,617.38 : x - Step 2: Convert to fraction form
417,603.98/576,293.50 = 226,617.38/x - Step 3: Cross multiply
417,603.98x = 576,293.50 × 226,617.38 - Step 4: Simplify right side
417,603.98x = 130,598,123,081.03 - Step 5: Solve for x
x = 130,598,123,081.03/417,603.98 - Step 6: Final answer
x = 312,731.99
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.