Finding the Fourth Proportional to 243,709.70, 365,408.81 and 117,097.99
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Solution
The fourth proportional to 243,709.70, 365,408.81 and 117,097.99 is: 175,572.15
Step by Step Solution
- Step 1: Write the proportion equation
243,709.70 : 365,408.81 = 117,097.99 : x - Step 2: Convert to fraction form
243,709.70/365,408.81 = 117,097.99/x - Step 3: Cross multiply
243,709.70x = 365,408.81 × 117,097.99 - Step 4: Simplify right side
243,709.70x = 42,788,637,179.29 - Step 5: Solve for x
x = 42,788,637,179.29/243,709.70 - Step 6: Final answer
x = 175,572.15
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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.