Finding the Fourth Proportional to 157,177.30, 235,822.79 and 97,135.50
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Solution
The fourth proportional to 157,177.30, 235,822.79 and 97,135.50 is: 145,738.38
Step by Step Solution
- Step 1: Write the proportion equation
157,177.30 : 235,822.79 = 97,135.50 : x - Step 2: Convert to fraction form
157,177.30/235,822.79 = 97,135.50/x - Step 3: Cross multiply
157,177.30x = 235,822.79 × 97,135.50 - Step 4: Simplify right side
157,177.30x = 22,906,764,618.05 - Step 5: Solve for x
x = 22,906,764,618.05/157,177.30 - Step 6: Final answer
x = 145,738.38
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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.