Finding the Fourth Proportional to 252,897.36, 348,995.88 and 139,717.68
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Solution
The fourth proportional to 252,897.36, 348,995.88 and 139,717.68 is: 192,809.03
Step by Step Solution
- Step 1: Write the proportion equation
252,897.36 : 348,995.88 = 139,717.68 : x - Step 2: Convert to fraction form
252,897.36/348,995.88 = 139,717.68/x - Step 3: Cross multiply
252,897.36x = 348,995.88 × 139,717.68 - Step 4: Simplify right side
252,897.36x = 48,760,894,683.16 - Step 5: Solve for x
x = 48,760,894,683.16/252,897.36 - Step 6: Final answer
x = 192,809.03
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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.