Finding the Fourth Proportional to 147,816.20, 221,833.65 and 97,879.70
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Solution
The fourth proportional to 147,816.20, 221,833.65 and 97,879.70 is: 146,891.96
Step by Step Solution
- Step 1: Write the proportion equation
147,816.20 : 221,833.65 = 97,879.70 : x - Step 2: Convert to fraction form
147,816.20/221,833.65 = 97,879.70/x - Step 3: Cross multiply
147,816.20x = 221,833.65 × 97,879.70 - Step 4: Simplify right side
147,816.20x = 21,713,011,111.91 - Step 5: Solve for x
x = 21,713,011,111.91/147,816.20 - Step 6: Final answer
x = 146,891.96
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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.