Finding the Fourth Proportional to 319,998.52, 441,536.88 and 192,682.36
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Solution
The fourth proportional to 319,998.52, 441,536.88 and 192,682.36 is: 265,864.88
Step by Step Solution
- Step 1: Write the proportion equation
319,998.52 : 441,536.88 = 192,682.36 : x - Step 2: Convert to fraction form
319,998.52/441,536.88 = 192,682.36/x - Step 3: Cross multiply
319,998.52x = 441,536.88 × 192,682.36 - Step 4: Simplify right side
319,998.52x = 85,076,368,065.44 - Step 5: Solve for x
x = 85,076,368,065.44/319,998.52 - Step 6: Final answer
x = 265,864.88
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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.