Finding the Fourth Proportional to 366,987.30, 550,480.95 and 247,413.08
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Solution
The fourth proportional to 366,987.30, 550,480.95 and 247,413.08 is: 371,119.62
Step by Step Solution
- Step 1: Write the proportion equation
366,987.30 : 550,480.95 = 247,413.08 : x - Step 2: Convert to fraction form
366,987.30/550,480.95 = 247,413.08/x - Step 3: Cross multiply
366,987.30x = 550,480.95 × 247,413.08 - Step 4: Simplify right side
366,987.30x = 136,196,187,320.83 - Step 5: Solve for x
x = 136,196,187,320.83/366,987.30 - Step 6: Final answer
x = 371,119.62
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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.