Finding the Fourth Proportional to 154,312.63, 231,344.39 and 141,856.99
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Solution
The fourth proportional to 154,312.63, 231,344.39 and 141,856.99 is: 212,670.97
Step by Step Solution
- Step 1: Write the proportion equation
154,312.63 : 231,344.39 = 141,856.99 : x - Step 2: Convert to fraction form
154,312.63/231,344.39 = 141,856.99/x - Step 3: Cross multiply
154,312.63x = 231,344.39 × 141,856.99 - Step 4: Simplify right side
154,312.63x = 32,817,816,952.78 - Step 5: Solve for x
x = 32,817,816,952.78/154,312.63 - Step 6: Final answer
x = 212,670.97
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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.