Finding the Fourth Proportional to 98,420.70, 147,515.82 and 37,591.09
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Solution
The fourth proportional to 98,420.70, 147,515.82 and 37,591.09 is: 56,342.62
Step by Step Solution
- Step 1: Write the proportion equation
98,420.70 : 147,515.82 = 37,591.09 : x - Step 2: Convert to fraction form
98,420.70/147,515.82 = 37,591.09/x - Step 3: Cross multiply
98,420.70x = 147,515.82 × 37,591.09 - Step 4: Simplify right side
98,420.70x = 5,545,279,956.29 - Step 5: Solve for x
x = 5,545,279,956.29/98,420.70 - Step 6: Final answer
x = 56,342.62
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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.