Finding the Fourth Proportional to 158,863.97, 219,317.39 and 122,485.95
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Solution
The fourth proportional to 158,863.97, 219,317.39 and 122,485.95 is: 169,096.23
Step by Step Solution
- Step 1: Write the proportion equation
158,863.97 : 219,317.39 = 122,485.95 : x - Step 2: Convert to fraction form
158,863.97/219,317.39 = 122,485.95/x - Step 3: Cross multiply
158,863.97x = 219,317.39 × 122,485.95 - Step 4: Simplify right side
158,863.97x = 26,863,298,253.24 - Step 5: Solve for x
x = 26,863,298,253.24/158,863.97 - Step 6: Final answer
x = 169,096.23
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.