Finding the Fourth Proportional to 103,685.30, 155,278.84 and 59,177.13
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Solution
The fourth proportional to 103,685.30, 155,278.84 and 59,177.13 is: 88,623.52
Step by Step Solution
- Step 1: Write the proportion equation
103,685.30 : 155,278.84 = 59,177.13 : x - Step 2: Convert to fraction form
103,685.30/155,278.84 = 59,177.13/x - Step 3: Cross multiply
103,685.30x = 155,278.84 × 59,177.13 - Step 4: Simplify right side
103,685.30x = 9,188,956,100.93 - Step 5: Solve for x
x = 9,188,956,100.93/103,685.30 - Step 6: Final answer
x = 88,623.52
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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.