Finding the Fourth Proportional to 168,489.62, 232,512.57 and 93,036.50
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Solution
The fourth proportional to 168,489.62, 232,512.57 and 93,036.50 is: 128,388.66
Step by Step Solution
- Step 1: Write the proportion equation
168,489.62 : 232,512.57 = 93,036.50 : x - Step 2: Convert to fraction form
168,489.62/232,512.57 = 93,036.50/x - Step 3: Cross multiply
168,489.62x = 232,512.57 × 93,036.50 - Step 4: Simplify right side
168,489.62x = 21,632,155,718.81 - Step 5: Solve for x
x = 21,632,155,718.81/168,489.62 - Step 6: Final answer
x = 128,388.66
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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.