Finding the Fourth Proportional to 464,221.75, 696,332.63 and 306,413.30
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Solution
The fourth proportional to 464,221.75, 696,332.63 and 306,413.30 is: 459,619.95
Step by Step Solution
- Step 1: Write the proportion equation
464,221.75 : 696,332.63 = 306,413.30 : x - Step 2: Convert to fraction form
464,221.75/696,332.63 = 306,413.30/x - Step 3: Cross multiply
464,221.75x = 696,332.63 × 306,413.30 - Step 4: Simplify right side
464,221.75x = 213,365,579,055.98 - Step 5: Solve for x
x = 213,365,579,055.98/464,221.75 - Step 6: Final answer
x = 459,619.95
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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.