Finding the Fourth Proportional to 319,072.50, 440,322.94 and 175,837.68
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Solution
The fourth proportional to 319,072.50, 440,322.94 and 175,837.68 is: 242,657.59
Step by Step Solution
- Step 1: Write the proportion equation
319,072.50 : 440,322.94 = 175,837.68 : x - Step 2: Convert to fraction form
319,072.50/440,322.94 = 175,837.68/x - Step 3: Cross multiply
319,072.50x = 440,322.94 × 175,837.68 - Step 4: Simplify right side
319,072.50x = 77,425,364,220.38 - Step 5: Solve for x
x = 77,425,364,220.38/319,072.50 - Step 6: Final answer
x = 242,657.59
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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.