Finding the Fourth Proportional to 97,170.92, 133,813.54 and 84,418.28
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Solution
The fourth proportional to 97,170.92, 133,813.54 and 84,418.28 is: 116,251.95
Step by Step Solution
- Step 1: Write the proportion equation
97,170.92 : 133,813.54 = 84,418.28 : x - Step 2: Convert to fraction form
97,170.92/133,813.54 = 84,418.28/x - Step 3: Cross multiply
97,170.92x = 133,813.54 × 84,418.28 - Step 4: Simplify right side
97,170.92x = 11,296,308,887.51 - Step 5: Solve for x
x = 11,296,308,887.51/97,170.92 - Step 6: Final answer
x = 116,251.95
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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.