Finding the Fourth Proportional to 212,737.16, 319,199.70 and 112,873.07
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Solution
The fourth proportional to 212,737.16, 319,199.70 and 112,873.07 is: 169,359.46
Step by Step Solution
- Step 1: Write the proportion equation
212,737.16 : 319,199.70 = 112,873.07 : x - Step 2: Convert to fraction form
212,737.16/319,199.70 = 112,873.07/x - Step 3: Cross multiply
212,737.16x = 319,199.70 × 112,873.07 - Step 4: Simplify right side
212,737.16x = 36,029,050,082.08 - Step 5: Solve for x
x = 36,029,050,082.08/212,737.16 - Step 6: Final answer
x = 169,359.46
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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.