Finding the Fourth Proportional to 168,365.92, 232,341.57 and 91,886.53
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Solution
The fourth proportional to 168,365.92, 232,341.57 and 91,886.53 is: 126,801.56
Step by Step Solution
- Step 1: Write the proportion equation
168,365.92 : 232,341.57 = 91,886.53 : x - Step 2: Convert to fraction form
168,365.92/232,341.57 = 91,886.53/x - Step 3: Cross multiply
168,365.92x = 232,341.57 × 91,886.53 - Step 4: Simplify right side
168,365.92x = 21,349,060,642.05 - Step 5: Solve for x
x = 21,349,060,642.05/168,365.92 - Step 6: Final answer
x = 126,801.56
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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.