Finding the Fourth Proportional to 168,658.24, 232,739.28 and 93,202.24
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Solution
The fourth proportional to 168,658.24, 232,739.28 and 93,202.24 is: 128,614.07
Step by Step Solution
- Step 1: Write the proportion equation
168,658.24 : 232,739.28 = 93,202.24 : x - Step 2: Convert to fraction form
168,658.24/232,739.28 = 93,202.24/x - Step 3: Cross multiply
168,658.24x = 232,739.28 × 93,202.24 - Step 4: Simplify right side
168,658.24x = 21,691,822,231.99 - Step 5: Solve for x
x = 21,691,822,231.99/168,658.24 - Step 6: Final answer
x = 128,614.07
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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.