Finding the Fourth Proportional to 157,114.99, 235,709.40 and 51,933.96
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Solution
The fourth proportional to 157,114.99, 235,709.40 and 51,933.96 is: 77,913.14
Step by Step Solution
- Step 1: Write the proportion equation
157,114.99 : 235,709.40 = 51,933.96 : x - Step 2: Convert to fraction form
157,114.99/235,709.40 = 51,933.96/x - Step 3: Cross multiply
157,114.99x = 235,709.40 × 51,933.96 - Step 4: Simplify right side
157,114.99x = 12,241,322,551.22 - Step 5: Solve for x
x = 12,241,322,551.22/157,114.99 - Step 6: Final answer
x = 77,913.14
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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.