Finding the Fourth Proportional to 157,271.97, 235,738.26 and 77,216.84
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Solution
The fourth proportional to 157,271.97, 235,738.26 and 77,216.84 is: 115,741.94
Step by Step Solution
- Step 1: Write the proportion equation
157,271.97 : 235,738.26 = 77,216.84 : x - Step 2: Convert to fraction form
157,271.97/235,738.26 = 77,216.84/x - Step 3: Cross multiply
157,271.97x = 235,738.26 × 77,216.84 - Step 4: Simplify right side
157,271.97x = 18,202,962,325.61 - Step 5: Solve for x
x = 18,202,962,325.61/157,271.97 - Step 6: Final answer
x = 115,741.94
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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.