Finding the Fourth Proportional to 261,536.23, 392,267.08 and 84,020.28
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Solution
The fourth proportional to 261,536.23, 392,267.08 and 84,020.28 is: 126,018.45
Step by Step Solution
- Step 1: Write the proportion equation
261,536.23 : 392,267.08 = 84,020.28 : x - Step 2: Convert to fraction form
261,536.23/392,267.08 = 84,020.28/x - Step 3: Cross multiply
261,536.23x = 392,267.08 × 84,020.28 - Step 4: Simplify right side
261,536.23x = 32,958,389,896.38 - Step 5: Solve for x
x = 32,958,389,896.38/261,536.23 - Step 6: Final answer
x = 126,018.45
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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.