Finding the Fourth Proportional to 157,356.08, 235,910.76 and 107,311.76
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Solution
The fourth proportional to 157,356.08, 235,910.76 and 107,311.76 is: 160,883.51
Step by Step Solution
- Step 1: Write the proportion equation
157,356.08 : 235,910.76 = 107,311.76 : x - Step 2: Convert to fraction form
157,356.08/235,910.76 = 107,311.76/x - Step 3: Cross multiply
157,356.08x = 235,910.76 × 107,311.76 - Step 4: Simplify right side
157,356.08x = 25,315,998,858.54 - Step 5: Solve for x
x = 25,315,998,858.54/157,356.08 - Step 6: Final answer
x = 160,883.51
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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.