Finding the Fourth Proportional to 98,219.74, 147,230.97 and 31,610.92
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Solution
The fourth proportional to 98,219.74, 147,230.97 and 31,610.92 is: 47,384.63
Step by Step Solution
- Step 1: Write the proportion equation
98,219.74 : 147,230.97 = 31,610.92 : x - Step 2: Convert to fraction form
98,219.74/147,230.97 = 31,610.92/x - Step 3: Cross multiply
98,219.74x = 147,230.97 × 31,610.92 - Step 4: Simplify right side
98,219.74x = 4,654,106,414.19 - Step 5: Solve for x
x = 4,654,106,414.19/98,219.74 - Step 6: Final answer
x = 47,384.63
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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.