Finding the Fourth Proportional to 98,296.28, 135,648.84 and 53,584.28
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Solution
The fourth proportional to 98,296.28, 135,648.84 and 53,584.28 is: 73,946.29
Step by Step Solution
- Step 1: Write the proportion equation
98,296.28 : 135,648.84 = 53,584.28 : x - Step 2: Convert to fraction form
98,296.28/135,648.84 = 53,584.28/x - Step 3: Cross multiply
98,296.28x = 135,648.84 × 53,584.28 - Step 4: Simplify right side
98,296.28x = 7,268,645,424.24 - Step 5: Solve for x
x = 7,268,645,424.24/98,296.28 - Step 6: Final answer
x = 73,946.29
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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.