Finding the Fourth Proportional to 198,192.71, 297,251.85 and 91,572.23
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Solution
The fourth proportional to 198,192.71, 297,251.85 and 91,572.23 is: 137,341.15
Step by Step Solution
- Step 1: Write the proportion equation
198,192.71 : 297,251.85 = 91,572.23 : x - Step 2: Convert to fraction form
198,192.71/297,251.85 = 91,572.23/x - Step 3: Cross multiply
198,192.71x = 297,251.85 × 91,572.23 - Step 4: Simplify right side
198,192.71x = 27,220,014,776.13 - Step 5: Solve for x
x = 27,220,014,776.13/198,192.71 - Step 6: Final answer
x = 137,341.15
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1.5x scale
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.