Finding the Fourth Proportional to 106,486.19, 159,712.35 and 35,402.92
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Solution
The fourth proportional to 106,486.19, 159,712.35 and 35,402.92 is: 53,098.75
Step by Step Solution
- Step 1: Write the proportion equation
106,486.19 : 159,712.35 = 35,402.92 : x - Step 2: Convert to fraction form
106,486.19/159,712.35 = 35,402.92/x - Step 3: Cross multiply
106,486.19x = 159,712.35 × 35,402.92 - Step 4: Simplify right side
106,486.19x = 5,654,283,550.06 - Step 5: Solve for x
x = 5,654,283,550.06/106,486.19 - Step 6: Final answer
x = 53,098.75
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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.