Finding the Fourth Proportional to 103,294.26, 154,816.71 and 53,347.14
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Solution
The fourth proportional to 103,294.26, 154,816.71 and 53,347.14 is: 79,956.32
Step by Step Solution
- Step 1: Write the proportion equation
103,294.26 : 154,816.71 = 53,347.14 : x - Step 2: Convert to fraction form
103,294.26/154,816.71 = 53,347.14/x - Step 3: Cross multiply
103,294.26x = 154,816.71 × 53,347.14 - Step 4: Simplify right side
103,294.26x = 8,259,028,702.71 - Step 5: Solve for x
x = 8,259,028,702.71/103,294.26 - Step 6: Final answer
x = 79,956.32
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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.