Finding the Fourth Proportional to 98,409.33, 147,612.78 and 31,847.99
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Solution
The fourth proportional to 98,409.33, 147,612.78 and 31,847.99 is: 47,771.58
Step by Step Solution
- Step 1: Write the proportion equation
98,409.33 : 147,612.78 = 31,847.99 : x - Step 2: Convert to fraction form
98,409.33/147,612.78 = 31,847.99/x - Step 3: Cross multiply
98,409.33x = 147,612.78 × 31,847.99 - Step 4: Simplify right side
98,409.33x = 4,701,169,603.25 - Step 5: Solve for x
x = 4,701,169,603.25/98,409.33 - Step 6: Final answer
x = 47,771.58
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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.