Finding the Fourth Proportional to 472,106.79, 708,369.50 and 247,413.79
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Solution
The fourth proportional to 472,106.79, 708,369.50 and 247,413.79 is: 371,230.38
Step by Step Solution
- Step 1: Write the proportion equation
472,106.79 : 708,369.50 = 247,413.79 : x - Step 2: Convert to fraction form
472,106.79/708,369.50 = 247,413.79/x - Step 3: Cross multiply
472,106.79x = 708,369.50 × 247,413.79 - Step 4: Simplify right side
472,106.79x = 175,260,382,715.41 - Step 5: Solve for x
x = 175,260,382,715.41/472,106.79 - Step 6: Final answer
x = 371,230.38
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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.