Finding the Fourth Proportional to 467,706.20, 702,077.70 and 290,413.40
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Solution
The fourth proportional to 467,706.20, 702,077.70 and 290,413.40 is: 435,941.99
Step by Step Solution
- Step 1: Write the proportion equation
467,706.20 : 702,077.70 = 290,413.40 : x - Step 2: Convert to fraction form
467,706.20/702,077.70 = 290,413.40/x - Step 3: Cross multiply
467,706.20x = 702,077.70 × 290,413.40 - Step 4: Simplify right side
467,706.20x = 203,892,771,921.18 - Step 5: Solve for x
x = 203,892,771,921.18/467,706.20 - Step 6: Final answer
x = 435,941.99
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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.