Finding the Fourth Proportional to 472,106.28, 708,368.74 and 247,413.30
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Solution
The fourth proportional to 472,106.28, 708,368.74 and 247,413.30 is: 371,229.65
Step by Step Solution
- Step 1: Write the proportion equation
472,106.28 : 708,368.74 = 247,413.30 : x - Step 2: Convert to fraction form
472,106.28/708,368.74 = 247,413.30/x - Step 3: Cross multiply
472,106.28x = 708,368.74 × 247,413.30 - Step 4: Simplify right side
472,106.28x = 175,259,847,580.24 - Step 5: Solve for x
x = 175,259,847,580.24/472,106.28 - Step 6: Final answer
x = 371,229.65
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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.