Finding the Fourth Proportional to 199,398.48, 299,154.22 and 81,154.68
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Solution
The fourth proportional to 199,398.48, 299,154.22 and 81,154.68 is: 121,755.02
Step by Step Solution
- Step 1: Write the proportion equation
199,398.48 : 299,154.22 = 81,154.68 : x - Step 2: Convert to fraction form
199,398.48/299,154.22 = 81,154.68/x - Step 3: Cross multiply
199,398.48x = 299,154.22 × 81,154.68 - Step 4: Simplify right side
199,398.48x = 24,277,764,994.75 - Step 5: Solve for x
x = 24,277,764,994.75/199,398.48 - Step 6: Final answer
x = 121,755.02
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.