Finding the Fourth Proportional to 338,715.53, 467,428.09 and 185,754.80
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Solution
The fourth proportional to 338,715.53, 467,428.09 and 185,754.80 is: 256,341.98
Step by Step Solution
- Step 1: Write the proportion equation
338,715.53 : 467,428.09 = 185,754.80 : x - Step 2: Convert to fraction form
338,715.53/467,428.09 = 185,754.80/x - Step 3: Cross multiply
338,715.53x = 467,428.09 × 185,754.80 - Step 4: Simplify right side
338,715.53x = 86,827,011,020.24 - Step 5: Solve for x
x = 86,827,011,020.24/338,715.53 - Step 6: Final answer
x = 256,341.98
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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.