Finding the Fourth Proportional to 159,501.24, 220,121.49 and 87,881.24
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Solution
The fourth proportional to 159,501.24, 220,121.49 and 87,881.24 is: 121,281.49
Step by Step Solution
- Step 1: Write the proportion equation
159,501.24 : 220,121.49 = 87,881.24 : x - Step 2: Convert to fraction form
159,501.24/220,121.49 = 87,881.24/x - Step 3: Cross multiply
159,501.24x = 220,121.49 × 87,881.24 - Step 4: Simplify right side
159,501.24x = 19,344,548,391.24 - Step 5: Solve for x
x = 19,344,548,391.24/159,501.24 - Step 6: Final answer
x = 121,281.49
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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.