Finding the Fourth Proportional to 199,935.62, 299,755.29 and 121,031.18
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Solution
The fourth proportional to 199,935.62, 299,755.29 and 121,031.18 is: 181,457.09
Step by Step Solution
- Step 1: Write the proportion equation
199,935.62 : 299,755.29 = 121,031.18 : x - Step 2: Convert to fraction form
199,935.62/299,755.29 = 121,031.18/x - Step 3: Cross multiply
199,935.62x = 299,755.29 × 121,031.18 - Step 4: Simplify right side
199,935.62x = 36,279,736,459.94 - Step 5: Solve for x
x = 36,279,736,459.94/199,935.62 - Step 6: Final answer
x = 181,457.09
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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.