Finding the Fourth Proportional to 168,803.91, 232,940.70 and 92,308.12
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Solution
The fourth proportional to 168,803.91, 232,940.70 and 92,308.12 is: 127,380.45
Step by Step Solution
- Step 1: Write the proportion equation
168,803.91 : 232,940.70 = 92,308.12 : x - Step 2: Convert to fraction form
168,803.91/232,940.70 = 92,308.12/x - Step 3: Cross multiply
168,803.91x = 232,940.70 × 92,308.12 - Step 4: Simplify right side
168,803.91x = 21,502,317,506.13 - Step 5: Solve for x
x = 21,502,317,506.13/168,803.91 - Step 6: Final answer
x = 127,380.45
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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.