Finding the Fourth Proportional to 261,342.16, 392,105.40 and 95,146.96
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Solution
The fourth proportional to 261,342.16, 392,105.40 and 95,146.96 is: 142,753.99
Step by Step Solution
- Step 1: Write the proportion equation
261,342.16 : 392,105.40 = 95,146.96 : x - Step 2: Convert to fraction form
261,342.16/392,105.40 = 95,146.96/x - Step 3: Cross multiply
261,342.16x = 392,105.40 × 95,146.96 - Step 4: Simplify right side
261,342.16x = 37,307,636,809.58 - Step 5: Solve for x
x = 37,307,636,809.58/261,342.16 - Step 6: Final answer
x = 142,753.99
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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.