Finding the Fourth Proportional to 98,272.95, 135,602.97 and 55,246.56
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Solution
The fourth proportional to 98,272.95, 135,602.97 and 55,246.56 is: 76,232.55
Step by Step Solution
- Step 1: Write the proportion equation
98,272.95 : 135,602.97 = 55,246.56 : x - Step 2: Convert to fraction form
98,272.95/135,602.97 = 55,246.56/x - Step 3: Cross multiply
98,272.95x = 135,602.97 × 55,246.56 - Step 4: Simplify right side
98,272.95x = 7,491,597,618.28 - Step 5: Solve for x
x = 7,491,597,618.28/98,272.95 - Step 6: Final answer
x = 76,232.55
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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.