Finding the Fourth Proportional to 481,603.19, 664,617.26 and 290,579.68
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Solution
The fourth proportional to 481,603.19, 664,617.26 and 290,579.68 is: 401,002.88
Step by Step Solution
- Step 1: Write the proportion equation
481,603.19 : 664,617.26 = 290,579.68 : x - Step 2: Convert to fraction form
481,603.19/664,617.26 = 290,579.68/x - Step 3: Cross multiply
481,603.19x = 664,617.26 × 290,579.68 - Step 4: Simplify right side
481,603.19x = 193,124,267,618.84 - Step 5: Solve for x
x = 193,124,267,618.84/481,603.19 - Step 6: Final answer
x = 401,002.88
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.