Finding the Fourth Proportional to 319,926.24, 441,583.74 and 183,975.12
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Solution
The fourth proportional to 319,926.24, 441,583.74 and 183,975.12 is: 253,934.85
Step by Step Solution
- Step 1: Write the proportion equation
319,926.24 : 441,583.74 = 183,975.12 : x - Step 2: Convert to fraction form
319,926.24/441,583.74 = 183,975.12/x - Step 3: Cross multiply
319,926.24x = 441,583.74 × 183,975.12 - Step 4: Simplify right side
319,926.24x = 81,240,421,556.55 - Step 5: Solve for x
x = 81,240,421,556.55/319,926.24 - Step 6: Final answer
x = 253,934.85
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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.