Finding the Fourth Proportional to 159,841.91, 220,580.36 and 87,244.07
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Solution
The fourth proportional to 159,841.91, 220,580.36 and 87,244.07 is: 120,396.01
Step by Step Solution
- Step 1: Write the proportion equation
159,841.91 : 220,580.36 = 87,244.07 : x - Step 2: Convert to fraction form
159,841.91/220,580.36 = 87,244.07/x - Step 3: Cross multiply
159,841.91x = 220,580.36 × 87,244.07 - Step 4: Simplify right side
159,841.91x = 19,244,326,829.34 - Step 5: Solve for x
x = 19,244,326,829.34/159,841.91 - Step 6: Final answer
x = 120,396.01
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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.