Finding the Fourth Proportional to 229,413.50, 316,641.23 and 127,473.99
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Solution
The fourth proportional to 229,413.50, 316,641.23 and 127,473.99 is: 175,942.22
Step by Step Solution
- Step 1: Write the proportion equation
229,413.50 : 316,641.23 = 127,473.99 : x - Step 2: Convert to fraction form
229,413.50/316,641.23 = 127,473.99/x - Step 3: Cross multiply
229,413.50x = 316,641.23 × 127,473.99 - Step 4: Simplify right side
229,413.50x = 40,363,520,349.24 - Step 5: Solve for x
x = 40,363,520,349.24/229,413.50 - Step 6: Final answer
x = 175,942.22
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.