Finding the Fourth Proportional to 252,888.06, 348,993.99 and 139,717.02
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Solution
The fourth proportional to 252,888.06, 348,993.99 and 139,717.02 is: 192,814.17
Step by Step Solution
- Step 1: Write the proportion equation
252,888.06 : 348,993.99 = 139,717.02 : x - Step 2: Convert to fraction form
252,888.06/348,993.99 = 139,717.02/x - Step 3: Cross multiply
252,888.06x = 348,993.99 × 139,717.02 - Step 4: Simplify right side
252,888.06x = 48,760,400,280.71 - Step 5: Solve for x
x = 48,760,400,280.71/252,888.06 - Step 6: Final answer
x = 192,814.17
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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.