Finding the Fourth Proportional to 465,531.62, 698,603.64 and 255,317.18
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Solution
The fourth proportional to 465,531.62, 698,603.64 and 255,317.18 is: 383,143.71
Step by Step Solution
- Step 1: Write the proportion equation
465,531.62 : 698,603.64 = 255,317.18 : x - Step 2: Convert to fraction form
465,531.62/698,603.64 = 255,317.18/x - Step 3: Cross multiply
465,531.62x = 698,603.64 × 255,317.18 - Step 4: Simplify right side
465,531.62x = 178,365,511,302.54 - Step 5: Solve for x
x = 178,365,511,302.54/465,531.62 - Step 6: Final answer
x = 383,143.71
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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.