Finding the Fourth Proportional to 73,207.78, 109,869.99 and 28,845.70
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Solution
The fourth proportional to 73,207.78, 109,869.99 and 28,845.70 is: 43,291.53
Step by Step Solution
- Step 1: Write the proportion equation
73,207.78 : 109,869.99 = 28,845.70 : x - Step 2: Convert to fraction form
73,207.78/109,869.99 = 28,845.70/x - Step 3: Cross multiply
73,207.78x = 109,869.99 × 28,845.70 - Step 4: Simplify right side
73,207.78x = 3,169,276,770.54 - Step 5: Solve for x
x = 3,169,276,770.54/73,207.78 - Step 6: Final answer
x = 43,291.53
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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.