Finding the Fourth Proportional to 157,393.41, 236,136.17 and 50,775.31
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Solution
The fourth proportional to 157,393.41, 236,136.17 and 50,775.31 is: 76,177.82
Step by Step Solution
- Step 1: Write the proportion equation
157,393.41 : 236,136.17 = 50,775.31 : x - Step 2: Convert to fraction form
157,393.41/236,136.17 = 50,775.31/x - Step 3: Cross multiply
157,393.41x = 236,136.17 × 50,775.31 - Step 4: Simplify right side
157,393.41x = 11,989,886,980.09 - Step 5: Solve for x
x = 11,989,886,980.09/157,393.41 - Step 6: Final answer
x = 76,177.82
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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.