Finding the Fourth Proportional to 157,218.70, 235,828.05 and 44,898.70
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Solution
The fourth proportional to 157,218.70, 235,828.05 and 44,898.70 is: 67,348.05
Step by Step Solution
- Step 1: Write the proportion equation
157,218.70 : 235,828.05 = 44,898.70 : x - Step 2: Convert to fraction form
157,218.70/235,828.05 = 44,898.70/x - Step 3: Cross multiply
157,218.70x = 235,828.05 × 44,898.70 - Step 4: Simplify right side
157,218.70x = 10,588,372,868.54 - Step 5: Solve for x
x = 10,588,372,868.54/157,218.70 - Step 6: Final answer
x = 67,348.05
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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.