Finding the Fourth Proportional to 98,584.99, 148,004.60 and 84,634.66
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Solution
The fourth proportional to 98,584.99, 148,004.60 and 84,634.66 is: 127,061.11
Step by Step Solution
- Step 1: Write the proportion equation
98,584.99 : 148,004.60 = 84,634.66 : x - Step 2: Convert to fraction form
98,584.99/148,004.60 = 84,634.66/x - Step 3: Cross multiply
98,584.99x = 148,004.60 × 84,634.66 - Step 4: Simplify right side
98,584.99x = 12,526,318,206.25 - Step 5: Solve for x
x = 12,526,318,206.25/98,584.99 - Step 6: Final answer
x = 127,061.11
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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.