Finding the Fourth Proportional to 220,219.68, 303,903.45 and 119,617.68
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Solution
The fourth proportional to 220,219.68, 303,903.45 and 119,617.68 is: 165,072.56
Step by Step Solution
- Step 1: Write the proportion equation
220,219.68 : 303,903.45 = 119,617.68 : x - Step 2: Convert to fraction form
220,219.68/303,903.45 = 119,617.68/x - Step 3: Cross multiply
220,219.68x = 303,903.45 × 119,617.68 - Step 4: Simplify right side
220,219.68x = 36,352,225,633.00 - Step 5: Solve for x
x = 36,352,225,633.00/220,219.68 - Step 6: Final answer
x = 165,072.56
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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.