Finding the Fourth Proportional to 247,405.62, 341,209.17 and 172,133.94
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Solution
The fourth proportional to 247,405.62, 341,209.17 and 172,133.94 is: 237,398.32
Step by Step Solution
- Step 1: Write the proportion equation
247,405.62 : 341,209.17 = 172,133.94 : x - Step 2: Convert to fraction form
247,405.62/341,209.17 = 172,133.94/x - Step 3: Cross multiply
247,405.62x = 341,209.17 × 172,133.94 - Step 4: Simplify right side
247,405.62x = 58,733,678,796.23 - Step 5: Solve for x
x = 58,733,678,796.23/247,405.62 - Step 6: Final answer
x = 237,398.32
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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.