Finding the Fourth Proportional to 181,235.70, 271,853.55 and 76,259.70
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Solution
The fourth proportional to 181,235.70, 271,853.55 and 76,259.70 is: 114,389.55
Step by Step Solution
- Step 1: Write the proportion equation
181,235.70 : 271,853.55 = 76,259.70 : x - Step 2: Convert to fraction form
181,235.70/271,853.55 = 76,259.70/x - Step 3: Cross multiply
181,235.70x = 271,853.55 × 76,259.70 - Step 4: Simplify right side
181,235.70x = 20,731,470,166.94 - Step 5: Solve for x
x = 20,731,470,166.94/181,235.70 - Step 6: Final answer
x = 114,389.55
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1.5x scale
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.