Finding the Fourth Proportional to 147,836.20, 221,863.65 and 97,899.70
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Solution
The fourth proportional to 147,836.20, 221,863.65 and 97,899.70 is: 146,921.96
Step by Step Solution
- Step 1: Write the proportion equation
147,836.20 : 221,863.65 = 97,899.70 : x - Step 2: Convert to fraction form
147,836.20/221,863.65 = 97,899.70/x - Step 3: Cross multiply
147,836.20x = 221,863.65 × 97,899.70 - Step 4: Simplify right side
147,836.20x = 21,720,384,775.91 - Step 5: Solve for x
x = 21,720,384,775.91/147,836.20 - Step 6: Final answer
x = 146,921.96
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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.