Finding the Fourth Proportional to 311,837.06, 430,335.03 and 168,597.06
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Solution
The fourth proportional to 311,837.06, 430,335.03 and 168,597.06 is: 232,663.88
Step by Step Solution
- Step 1: Write the proportion equation
311,837.06 : 430,335.03 = 168,597.06 : x - Step 2: Convert to fraction form
311,837.06/430,335.03 = 168,597.06/x - Step 3: Cross multiply
311,837.06x = 430,335.03 × 168,597.06 - Step 4: Simplify right side
311,837.06x = 72,553,220,873.01 - Step 5: Solve for x
x = 72,553,220,873.01/311,837.06 - Step 6: Final answer
x = 232,663.88
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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.