Finding the Fourth Proportional to 159,224.22, 219,731.18 and 86,627.53
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Solution
The fourth proportional to 159,224.22, 219,731.18 and 86,627.53 is: 119,546.94
Step by Step Solution
- Step 1: Write the proportion equation
159,224.22 : 219,731.18 = 86,627.53 : x - Step 2: Convert to fraction form
159,224.22/219,731.18 = 86,627.53/x - Step 3: Cross multiply
159,224.22x = 219,731.18 × 86,627.53 - Step 4: Simplify right side
159,224.22x = 19,034,768,404.92 - Step 5: Solve for x
x = 19,034,768,404.92/159,224.22 - Step 6: Final answer
x = 119,546.94
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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.