Finding the Fourth Proportional to 98,572.22, 135,888.02 and 70,228.70
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Solution
The fourth proportional to 98,572.22, 135,888.02 and 70,228.70 is: 96,814.69
Step by Step Solution
- Step 1: Write the proportion equation
98,572.22 : 135,888.02 = 70,228.70 : x - Step 2: Convert to fraction form
98,572.22/135,888.02 = 70,228.70/x - Step 3: Cross multiply
98,572.22x = 135,888.02 × 70,228.70 - Step 4: Simplify right side
98,572.22x = 9,543,238,310.73 - Step 5: Solve for x
x = 9,543,238,310.73/98,572.22 - Step 6: Final answer
x = 96,814.69
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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.