Finding the Fourth Proportional to 331,413.18, 457,204.71 and 223,944.06
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Solution
The fourth proportional to 331,413.18, 457,204.71 and 223,944.06 is: 308,944.50
Step by Step Solution
- Step 1: Write the proportion equation
331,413.18 : 457,204.71 = 223,944.06 : x - Step 2: Convert to fraction form
331,413.18/457,204.71 = 223,944.06/x - Step 3: Cross multiply
331,413.18x = 457,204.71 × 223,944.06 - Step 4: Simplify right side
331,413.18x = 102,388,279,008.52 - Step 5: Solve for x
x = 102,388,279,008.52/331,413.18 - Step 6: Final answer
x = 308,944.50
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1.5x scale
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.