Finding the Fourth Proportional to 312,967.14, 431,889.56 and 176,996.00
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Solution
The fourth proportional to 312,967.14, 431,889.56 and 176,996.00 is: 244,251.60
Step by Step Solution
- Step 1: Write the proportion equation
312,967.14 : 431,889.56 = 176,996.00 : x - Step 2: Convert to fraction form
312,967.14/431,889.56 = 176,996.00/x - Step 3: Cross multiply
312,967.14x = 431,889.56 × 176,996.00 - Step 4: Simplify right side
312,967.14x = 76,442,725,420.24 - Step 5: Solve for x
x = 76,442,725,420.24/312,967.14 - Step 6: Final answer
x = 244,251.60
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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.