Finding the Fourth Proportional to 232,921.44, 321,413.88 and 130,930.68
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Solution
The fourth proportional to 232,921.44, 321,413.88 and 130,930.68 is: 180,674.38
Step by Step Solution
- Step 1: Write the proportion equation
232,921.44 : 321,413.88 = 130,930.68 : x - Step 2: Convert to fraction form
232,921.44/321,413.88 = 130,930.68/x - Step 3: Cross multiply
232,921.44x = 321,413.88 × 130,930.68 - Step 4: Simplify right side
232,921.44x = 42,082,937,869.84 - Step 5: Solve for x
x = 42,082,937,869.84/232,921.44 - Step 6: Final answer
x = 180,674.38
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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.