Finding the Fourth Proportional to 168,287.35, 232,220.41 and 92,830.99
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Solution
The fourth proportional to 168,287.35, 232,220.41 and 92,830.99 is: 128,097.87
Step by Step Solution
- Step 1: Write the proportion equation
168,287.35 : 232,220.41 = 92,830.99 : x - Step 2: Convert to fraction form
168,287.35/232,220.41 = 92,830.99/x - Step 3: Cross multiply
168,287.35x = 232,220.41 × 92,830.99 - Step 4: Simplify right side
168,287.35x = 21,557,250,558.51 - Step 5: Solve for x
x = 21,557,250,558.51/168,287.35 - Step 6: Final answer
x = 128,097.87
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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.