Finding the Fourth Proportional to 168,283.22, 232,231.50 and 91,803.94
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Solution
The fourth proportional to 168,283.22, 232,231.50 and 91,803.94 is: 126,689.80
Step by Step Solution
- Step 1: Write the proportion equation
168,283.22 : 232,231.50 = 91,803.94 : x - Step 2: Convert to fraction form
168,283.22/232,231.50 = 91,803.94/x - Step 3: Cross multiply
168,283.22x = 232,231.50 × 91,803.94 - Step 4: Simplify right side
168,283.22x = 21,319,766,111.53 - Step 5: Solve for x
x = 21,319,766,111.53/168,283.22 - Step 6: Final answer
x = 126,689.80
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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.