Finding the Fourth Proportional to 157,102.86, 235,618.77 and 44,780.67
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Solution
The fourth proportional to 157,102.86, 235,618.77 and 44,780.67 is: 67,160.88
Step by Step Solution
- Step 1: Write the proportion equation
157,102.86 : 235,618.77 = 44,780.67 : x - Step 2: Convert to fraction form
157,102.86/235,618.77 = 44,780.67/x - Step 3: Cross multiply
157,102.86x = 235,618.77 × 44,780.67 - Step 4: Simplify right side
157,102.86x = 10,551,166,385.18 - Step 5: Solve for x
x = 10,551,166,385.18/157,102.86 - Step 6: Final answer
x = 67,160.88
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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.