Finding the Fourth Proportional to 157,506.36, 236,260.38 and 39,177.66
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Solution
The fourth proportional to 157,506.36, 236,260.38 and 39,177.66 is: 58,766.70
Step by Step Solution
- Step 1: Write the proportion equation
157,506.36 : 236,260.38 = 39,177.66 : x - Step 2: Convert to fraction form
157,506.36/236,260.38 = 39,177.66/x - Step 3: Cross multiply
157,506.36x = 236,260.38 × 39,177.66 - Step 4: Simplify right side
157,506.36x = 9,256,128,839.11 - Step 5: Solve for x
x = 9,256,128,839.11/157,506.36 - Step 6: Final answer
x = 58,766.70
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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.