Finding the Fourth Proportional to 159,669.44, 220,340.76 and 88,056.08
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Solution
The fourth proportional to 159,669.44, 220,340.76 and 88,056.08 is: 121,515.70
Step by Step Solution
- Step 1: Write the proportion equation
159,669.44 : 220,340.76 = 88,056.08 : x - Step 2: Convert to fraction form
159,669.44/220,340.76 = 88,056.08/x - Step 3: Cross multiply
159,669.44x = 220,340.76 × 88,056.08 - Step 4: Simplify right side
159,669.44x = 19,402,343,589.82 - Step 5: Solve for x
x = 19,402,343,589.82/159,669.44 - Step 6: Final answer
x = 121,515.70
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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.