Finding the Fourth Proportional to 319,760.10, 441,257.36 and 176,517.06
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Solution
The fourth proportional to 319,760.10, 441,257.36 and 176,517.06 is: 243,587.15
Step by Step Solution
- Step 1: Write the proportion equation
319,760.10 : 441,257.36 = 176,517.06 : x - Step 2: Convert to fraction form
319,760.10/441,257.36 = 176,517.06/x - Step 3: Cross multiply
319,760.10x = 441,257.36 × 176,517.06 - Step 4: Simplify right side
319,760.10x = 77,889,451,890.56 - Step 5: Solve for x
x = 77,889,451,890.56/319,760.10 - Step 6: Final answer
x = 243,587.15
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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.