Finding the Fourth Proportional to 252,496.98, 348,453.14 and 139,327.02
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Solution
The fourth proportional to 252,496.98, 348,453.14 and 139,327.02 is: 192,275.32
Step by Step Solution
- Step 1: Write the proportion equation
252,496.98 : 348,453.14 = 139,327.02 : x - Step 2: Convert to fraction form
252,496.98/348,453.14 = 139,327.02/x - Step 3: Cross multiply
252,496.98x = 348,453.14 × 139,327.02 - Step 4: Simplify right side
252,496.98x = 48,548,936,909.21 - Step 5: Solve for x
x = 48,548,936,909.21/252,496.98 - Step 6: Final answer
x = 192,275.32
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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.