Finding the Fourth Proportional to 223,214.18, 308,037.81 and 121,241.63
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Solution
The fourth proportional to 223,214.18, 308,037.81 and 121,241.63 is: 167,314.67
Step by Step Solution
- Step 1: Write the proportion equation
223,214.18 : 308,037.81 = 121,241.63 : x - Step 2: Convert to fraction form
223,214.18/308,037.81 = 121,241.63/x - Step 3: Cross multiply
223,214.18x = 308,037.81 × 121,241.63 - Step 4: Simplify right side
223,214.18x = 37,347,006,186.03 - Step 5: Solve for x
x = 37,347,006,186.03/223,214.18 - Step 6: Final answer
x = 167,314.67
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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.