Finding the Fourth Proportional to 159,066.24, 219,515.60 and 87,448.07
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Solution
The fourth proportional to 159,066.24, 219,515.60 and 87,448.07 is: 120,680.63
Step by Step Solution
- Step 1: Write the proportion equation
159,066.24 : 219,515.60 = 87,448.07 : x - Step 2: Convert to fraction form
159,066.24/219,515.60 = 87,448.07/x - Step 3: Cross multiply
159,066.24x = 219,515.60 × 87,448.07 - Step 4: Simplify right side
159,066.24x = 19,196,214,020.07 - Step 5: Solve for x
x = 19,196,214,020.07/159,066.24 - Step 6: Final answer
x = 120,680.63
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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.