Finding the Fourth Proportional to 199,601.70, 299,402.55 and 120,869.70
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Solution
The fourth proportional to 199,601.70, 299,402.55 and 120,869.70 is: 181,304.55
Step by Step Solution
- Step 1: Write the proportion equation
199,601.70 : 299,402.55 = 120,869.70 : x - Step 2: Convert to fraction form
199,601.70/299,402.55 = 120,869.70/x - Step 3: Cross multiply
199,601.70x = 299,402.55 × 120,869.70 - Step 4: Simplify right side
199,601.70x = 36,188,696,397.74 - Step 5: Solve for x
x = 36,188,696,397.74/199,601.70 - Step 6: Final answer
x = 181,304.55
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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.