Finding the Fourth Proportional to 198,582.00, 297,705.57 and 86,177.54
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Solution
The fourth proportional to 198,582.00, 297,705.57 and 86,177.54 is: 129,193.65
Step by Step Solution
- Step 1: Write the proportion equation
198,582.00 : 297,705.57 = 86,177.54 : x - Step 2: Convert to fraction form
198,582.00/297,705.57 = 86,177.54/x - Step 3: Cross multiply
198,582.00x = 297,705.57 × 86,177.54 - Step 4: Simplify right side
198,582.00x = 25,655,533,666.90 - Step 5: Solve for x
x = 25,655,533,666.90/198,582.00 - Step 6: Final answer
x = 129,193.65
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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.