Finding the Fourth Proportional to 97,316.57, 134,296.97 and 57,022.31
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Solution
The fourth proportional to 97,316.57, 134,296.97 and 57,022.31 is: 78,690.85
Step by Step Solution
- Step 1: Write the proportion equation
97,316.57 : 134,296.97 = 57,022.31 : x - Step 2: Convert to fraction form
97,316.57/134,296.97 = 57,022.31/x - Step 3: Cross multiply
97,316.57x = 134,296.97 × 57,022.31 - Step 4: Simplify right side
97,316.57x = 7,657,923,455.40 - Step 5: Solve for x
x = 7,657,923,455.40/97,316.57 - Step 6: Final answer
x = 78,690.85
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.