Finding the Fourth Proportional to 157,311.14, 235,875.58 and 107,451.48
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Solution
The fourth proportional to 157,311.14, 235,875.58 and 107,451.48 is: 161,114.98
Step by Step Solution
- Step 1: Write the proportion equation
157,311.14 : 235,875.58 = 107,451.48 : x - Step 2: Convert to fraction form
157,311.14/235,875.58 = 107,451.48/x - Step 3: Cross multiply
157,311.14x = 235,875.58 × 107,451.48 - Step 4: Simplify right side
157,311.14x = 25,345,180,782.76 - Step 5: Solve for x
x = 25,345,180,782.76/157,311.14 - Step 6: Final answer
x = 161,114.98
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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.