Finding the Fourth Proportional to 147,541.14, 203,599.17 and 80,460.18
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Solution
The fourth proportional to 147,541.14, 203,599.17 and 80,460.18 is: 111,030.90
Step by Step Solution
- Step 1: Write the proportion equation
147,541.14 : 203,599.17 = 80,460.18 : x - Step 2: Convert to fraction form
147,541.14/203,599.17 = 80,460.18/x - Step 3: Cross multiply
147,541.14x = 203,599.17 × 80,460.18 - Step 4: Simplify right side
147,541.14x = 16,381,625,866.05 - Step 5: Solve for x
x = 16,381,625,866.05/147,541.14 - Step 6: Final answer
x = 111,030.90
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1.5x scale
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.