Finding the Fourth Proportional to 159,743.08, 220,445.68 and 88,122.96
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Solution
The fourth proportional to 159,743.08, 220,445.68 and 88,122.96 is: 121,609.81
Step by Step Solution
- Step 1: Write the proportion equation
159,743.08 : 220,445.68 = 88,122.96 : x - Step 2: Convert to fraction form
159,743.08/220,445.68 = 88,122.96/x - Step 3: Cross multiply
159,743.08x = 220,445.68 × 88,122.96 - Step 4: Simplify right side
159,743.08x = 19,426,325,840.81 - Step 5: Solve for x
x = 19,426,325,840.81/159,743.08 - Step 6: Final answer
x = 121,609.81
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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.