Finding the Fourth Proportional to 157,328.99, 235,851.78 and 57,419.08
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Solution
The fourth proportional to 157,328.99, 235,851.78 and 57,419.08 is: 86,076.90
Step by Step Solution
- Step 1: Write the proportion equation
157,328.99 : 235,851.78 = 57,419.08 : x - Step 2: Convert to fraction form
157,328.99/235,851.78 = 57,419.08/x - Step 3: Cross multiply
157,328.99x = 235,851.78 × 57,419.08 - Step 4: Simplify right side
157,328.99x = 13,542,392,223.96 - Step 5: Solve for x
x = 13,542,392,223.96/157,328.99 - Step 6: Final answer
x = 86,076.90
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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.