Finding the Fourth Proportional to 171,701.70, 257,552.55 and 168,785.70
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Solution
The fourth proportional to 171,701.70, 257,552.55 and 168,785.70 is: 253,178.55
Step by Step Solution
- Step 1: Write the proportion equation
171,701.70 : 257,552.55 = 168,785.70 : x - Step 2: Convert to fraction form
171,701.70/257,552.55 = 168,785.70/x - Step 3: Cross multiply
171,701.70x = 257,552.55 × 168,785.70 - Step 4: Simplify right side
171,701.70x = 43,471,187,438.54 - Step 5: Solve for x
x = 43,471,187,438.54/171,701.70 - Step 6: Final answer
x = 253,178.55
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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.