Finding the Fourth Proportional to 252,497.88, 348,448.26 and 139,320.63
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Solution
The fourth proportional to 252,497.88, 348,448.26 and 139,320.63 is: 192,263.12
Step by Step Solution
- Step 1: Write the proportion equation
252,497.88 : 348,448.26 = 139,320.63 : x - Step 2: Convert to fraction form
252,497.88/348,448.26 = 139,320.63/x - Step 3: Cross multiply
252,497.88x = 348,448.26 × 139,320.63 - Step 4: Simplify right side
252,497.88x = 48,546,031,105.60 - Step 5: Solve for x
x = 48,546,031,105.60/252,497.88 - Step 6: Final answer
x = 192,263.12
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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.