Finding the Fourth Proportional to 168,359.23, 232,337.09 and 91,878.93
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Solution
The fourth proportional to 168,359.23, 232,337.09 and 91,878.93 is: 126,793.66
Step by Step Solution
- Step 1: Write the proportion equation
168,359.23 : 232,337.09 = 91,878.93 : x - Step 2: Convert to fraction form
168,359.23/232,337.09 = 91,878.93/x - Step 3: Cross multiply
168,359.23x = 232,337.09 × 91,878.93 - Step 4: Simplify right side
168,359.23x = 21,346,883,228.51 - Step 5: Solve for x
x = 21,346,883,228.51/168,359.23 - Step 6: Final answer
x = 126,793.66
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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.