Finding the Fourth Proportional to 168,330.16, 232,296.42 and 92,878.66
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Solution
The fourth proportional to 168,330.16, 232,296.42 and 92,878.66 is: 128,172.99
Step by Step Solution
- Step 1: Write the proportion equation
168,330.16 : 232,296.42 = 92,878.66 : x - Step 2: Convert to fraction form
168,330.16/232,296.42 = 92,878.66/x - Step 3: Cross multiply
168,330.16x = 232,296.42 × 92,878.66 - Step 4: Simplify right side
168,330.16x = 21,575,380,212.40 - Step 5: Solve for x
x = 21,575,380,212.40/168,330.16 - Step 6: Final answer
x = 128,172.99
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1.5x scale
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.