Finding the Fourth Proportional to 98,427.17, 147,660.20 and 36,098.21
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Solution
The fourth proportional to 98,427.17, 147,660.20 and 36,098.21 is: 54,154.45
Step by Step Solution
- Step 1: Write the proportion equation
98,427.17 : 147,660.20 = 36,098.21 : x - Step 2: Convert to fraction form
98,427.17/147,660.20 = 36,098.21/x - Step 3: Cross multiply
98,427.17x = 147,660.20 × 36,098.21 - Step 4: Simplify right side
98,427.17x = 5,330,268,908.24 - Step 5: Solve for x
x = 5,330,268,908.24/98,427.17 - Step 6: Final answer
x = 54,154.45
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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.