Finding the Fourth Proportional to 235,553.79, 353,285.62 and 91,459.62
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Solution
The fourth proportional to 235,553.79, 353,285.62 and 91,459.62 is: 137,171.92
Step by Step Solution
- Step 1: Write the proportion equation
235,553.79 : 353,285.62 = 91,459.62 : x - Step 2: Convert to fraction form
235,553.79/353,285.62 = 91,459.62/x - Step 3: Cross multiply
235,553.79x = 353,285.62 × 91,459.62 - Step 4: Simplify right side
235,553.79x = 32,311,366,332.94 - Step 5: Solve for x
x = 32,311,366,332.94/235,553.79 - Step 6: Final answer
x = 137,171.92
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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.