Finding the Fourth Proportional to 249,318.12, 373,755.18 and 91,509.96
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Solution
The fourth proportional to 249,318.12, 373,755.18 and 91,509.96 is: 137,183.46
Step by Step Solution
- Step 1: Write the proportion equation
249,318.12 : 373,755.18 = 91,509.96 : x - Step 2: Convert to fraction form
249,318.12/373,755.18 = 91,509.96/x - Step 3: Cross multiply
249,318.12x = 373,755.18 × 91,509.96 - Step 4: Simplify right side
249,318.12x = 34,202,321,571.59 - Step 5: Solve for x
x = 34,202,321,571.59/249,318.12 - Step 6: Final answer
x = 137,183.46
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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.