Finding the Fourth Proportional to 148,442.01, 204,844.99 and 87,976.75
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Solution
The fourth proportional to 148,442.01, 204,844.99 and 87,976.75 is: 121,404.97
Step by Step Solution
- Step 1: Write the proportion equation
148,442.01 : 204,844.99 = 87,976.75 : x - Step 2: Convert to fraction form
148,442.01/204,844.99 = 87,976.75/x - Step 3: Cross multiply
148,442.01x = 204,844.99 × 87,976.75 - Step 4: Simplify right side
148,442.01x = 18,021,596,729.22 - Step 5: Solve for x
x = 18,021,596,729.22/148,442.01 - Step 6: Final answer
x = 121,404.97
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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.