Finding the Fourth Proportional to 186,775.95, 278,707.16 and 166,647.09
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Solution
The fourth proportional to 186,775.95, 278,707.16 and 166,647.09 is: 248,670.86
Step by Step Solution
- Step 1: Write the proportion equation
186,775.95 : 278,707.16 = 166,647.09 : x - Step 2: Convert to fraction form
186,775.95/278,707.16 = 166,647.09/x - Step 3: Cross multiply
186,775.95x = 278,707.16 × 166,647.09 - Step 4: Simplify right side
186,775.95x = 46,445,736,759.55 - Step 5: Solve for x
x = 46,445,736,759.55/186,775.95 - Step 6: Final answer
x = 248,670.86
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Why These Related Problems?
These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.