Finding the Fourth Proportional to 168,427.77, 232,430.79 and 91,946.94
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Solution
The fourth proportional to 168,427.77, 232,430.79 and 91,946.94 is: 126,887.03
Step by Step Solution
- Step 1: Write the proportion equation
168,427.77 : 232,430.79 = 91,946.94 : x - Step 2: Convert to fraction form
168,427.77/232,430.79 = 91,946.94/x - Step 3: Cross multiply
168,427.77x = 232,430.79 × 91,946.94 - Step 4: Simplify right side
168,427.77x = 21,371,299,902.28 - Step 5: Solve for x
x = 21,371,299,902.28/168,427.77 - Step 6: Final answer
x = 126,887.03
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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.