Finding the Fourth Proportional to 159,584.68, 218,630.09 and 153,602.02
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Solution
The fourth proportional to 159,584.68, 218,630.09 and 153,602.02 is: 210,433.88
Step by Step Solution
- Step 1: Write the proportion equation
159,584.68 : 218,630.09 = 153,602.02 : x - Step 2: Convert to fraction form
159,584.68/218,630.09 = 153,602.02/x - Step 3: Cross multiply
159,584.68x = 218,630.09 × 153,602.02 - Step 4: Simplify right side
159,584.68x = 33,582,023,456.78 - Step 5: Solve for x
x = 33,582,023,456.78/159,584.68 - Step 6: Final answer
x = 210,433.88
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Why These Related Problems?
These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.