Finding the Fourth Proportional to 98,286.01, 135,497.28 and 83,117.68
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Solution
The fourth proportional to 98,286.01, 135,497.28 and 83,117.68 is: 114,586.19
Step by Step Solution
- Step 1: Write the proportion equation
98,286.01 : 135,497.28 = 83,117.68 : x - Step 2: Convert to fraction form
98,286.01/135,497.28 = 83,117.68/x - Step 3: Cross multiply
98,286.01x = 135,497.28 × 83,117.68 - Step 4: Simplify right side
98,286.01x = 11,262,219,559.91 - Step 5: Solve for x
x = 11,262,219,559.91/98,286.01 - Step 6: Final answer
x = 114,586.19
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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.