Finding the Fourth Proportional to 215,970.11, 324,053.62 and 110,862.95
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Solution
The fourth proportional to 215,970.11, 324,053.62 and 110,862.95 is: 166,344.96
Step by Step Solution
- Step 1: Write the proportion equation
215,970.11 : 324,053.62 = 110,862.95 : x - Step 2: Convert to fraction form
215,970.11/324,053.62 = 110,862.95/x - Step 3: Cross multiply
215,970.11x = 324,053.62 × 110,862.95 - Step 4: Simplify right side
215,970.11x = 35,925,538,373.95 - Step 5: Solve for x
x = 35,925,538,373.95/215,970.11 - Step 6: Final answer
x = 166,344.96
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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.