Finding the Fourth Proportional to 472,106.62, 708,369.28 and 247,413.70
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Solution
The fourth proportional to 472,106.62, 708,369.28 and 247,413.70 is: 371,230.26
Step by Step Solution
- Step 1: Write the proportion equation
472,106.62 : 708,369.28 = 247,413.70 : x - Step 2: Convert to fraction form
472,106.62/708,369.28 = 247,413.70/x - Step 3: Cross multiply
472,106.62x = 708,369.28 × 247,413.70 - Step 4: Simplify right side
472,106.62x = 175,260,262,141.68 - Step 5: Solve for x
x = 175,260,262,141.68/472,106.62 - Step 6: Final answer
x = 371,230.26
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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.