Finding the Fourth Proportional to 368,413.70, 552,620.55 and 368,413.70
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Solution
The fourth proportional to 368,413.70, 552,620.55 and 368,413.70 is: 552,620.55
Step by Step Solution
- Step 1: Write the proportion equation
368,413.70 : 552,620.55 = 368,413.70 : x - Step 2: Convert to fraction form
368,413.70/552,620.55 = 368,413.70/x - Step 3: Cross multiply
368,413.70x = 552,620.55 × 368,413.70 - Step 4: Simplify right side
368,413.70x = 203,592,981,521.54 - Step 5: Solve for x
x = 203,592,981,521.54/368,413.70 - Step 6: Final answer
x = 552,620.55
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1.5x scale
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.