Finding the Fourth Proportional to 226,397.73, 312,413.72 and 124,421.00
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Solution
The fourth proportional to 226,397.73, 312,413.72 and 124,421.00 is: 171,692.65
Step by Step Solution
- Step 1: Write the proportion equation
226,397.73 : 312,413.72 = 124,421.00 : x - Step 2: Convert to fraction form
226,397.73/312,413.72 = 124,421.00/x - Step 3: Cross multiply
226,397.73x = 312,413.72 × 124,421.00 - Step 4: Simplify right side
226,397.73x = 38,870,826,205.10 - Step 5: Solve for x
x = 38,870,826,205.10/226,397.73 - Step 6: Final answer
x = 171,692.65
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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.