Finding the Fourth Proportional to 265,677.67, 398,521.97 and 107,798.14
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Solution
The fourth proportional to 265,677.67, 398,521.97 and 107,798.14 is: 161,699.43
Step by Step Solution
- Step 1: Write the proportion equation
265,677.67 : 398,521.97 = 107,798.14 : x - Step 2: Convert to fraction form
265,677.67/398,521.97 = 107,798.14/x - Step 3: Cross multiply
265,677.67x = 398,521.97 × 107,798.14 - Step 4: Simplify right side
265,677.67x = 42,959,927,115.14 - Step 5: Solve for x
x = 42,959,927,115.14/265,677.67 - Step 6: Final answer
x = 161,699.43
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.