Finding the Fourth Proportional to 157,101.82, 235,509.74 and 57,239.26
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Solution
The fourth proportional to 157,101.82, 235,509.74 and 57,239.26 is: 85,806.79
Step by Step Solution
- Step 1: Write the proportion equation
157,101.82 : 235,509.74 = 57,239.26 : x - Step 2: Convert to fraction form
157,101.82/235,509.74 = 57,239.26/x - Step 3: Cross multiply
157,101.82x = 235,509.74 × 57,239.26 - Step 4: Simplify right side
157,101.82x = 13,480,403,240.39 - Step 5: Solve for x
x = 13,480,403,240.39/157,101.82 - Step 6: Final answer
x = 85,806.79
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.