Finding the Fourth Proportional to 156,976.36, 235,472.70 and 51,803.53
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Solution
The fourth proportional to 156,976.36, 235,472.70 and 51,803.53 is: 77,707.99
Step by Step Solution
- Step 1: Write the proportion equation
156,976.36 : 235,472.70 = 51,803.53 : x - Step 2: Convert to fraction form
156,976.36/235,472.70 = 51,803.53/x - Step 3: Cross multiply
156,976.36x = 235,472.70 × 51,803.53 - Step 4: Simplify right side
156,976.36x = 12,198,317,078.63 - Step 5: Solve for x
x = 12,198,317,078.63/156,976.36 - Step 6: Final answer
x = 77,707.99
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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.