Finding the Fourth Proportional to 149,051.68, 223,577.68 and 38,243.68
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Solution
The fourth proportional to 149,051.68, 223,577.68 and 38,243.68 is: 57,365.56
Step by Step Solution
- Step 1: Write the proportion equation
149,051.68 : 223,577.68 = 38,243.68 : x - Step 2: Convert to fraction form
149,051.68/223,577.68 = 38,243.68/x - Step 3: Cross multiply
149,051.68x = 223,577.68 × 38,243.68 - Step 4: Simplify right side
149,051.68x = 8,550,433,249.06 - Step 5: Solve for x
x = 8,550,433,249.06/149,051.68 - Step 6: Final answer
x = 57,365.56
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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.