Finding the Fourth Proportional to 97,657.80, 146,486.70 and 57,635.70
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Solution
The fourth proportional to 97,657.80, 146,486.70 and 57,635.70 is: 86,453.55
Step by Step Solution
- Step 1: Write the proportion equation
97,657.80 : 146,486.70 = 57,635.70 : x - Step 2: Convert to fraction form
97,657.80/146,486.70 = 57,635.70/x - Step 3: Cross multiply
97,657.80x = 146,486.70 × 57,635.70 - Step 4: Simplify right side
97,657.80x = 8,442,863,495.19 - Step 5: Solve for x
x = 8,442,863,495.19/97,657.80 - Step 6: Final answer
x = 86,453.55
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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.