Finding the Fourth Proportional to 237,740.65, 328,115.70 and 147,125.80
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Solution
The fourth proportional to 237,740.65, 328,115.70 and 147,125.80 is: 203,054.40
Step by Step Solution
- Step 1: Write the proportion equation
237,740.65 : 328,115.70 = 147,125.80 : x - Step 2: Convert to fraction form
237,740.65/328,115.70 = 147,125.80/x - Step 3: Cross multiply
237,740.65x = 328,115.70 × 147,125.80 - Step 4: Simplify right side
237,740.65x = 48,274,284,855.06 - Step 5: Solve for x
x = 48,274,284,855.06/237,740.65 - Step 6: Final answer
x = 203,054.40
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.