Finding the Fourth Proportional to 249,173.26, 373,809.12 and 91,403.08
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Solution
The fourth proportional to 249,173.26, 373,809.12 and 91,403.08 is: 137,122.68
Step by Step Solution
- Step 1: Write the proportion equation
249,173.26 : 373,809.12 = 91,403.08 : x - Step 2: Convert to fraction form
249,173.26/373,809.12 = 91,403.08/x - Step 3: Cross multiply
249,173.26x = 373,809.12 × 91,403.08 - Step 4: Simplify right side
249,173.26x = 34,167,304,900.09 - Step 5: Solve for x
x = 34,167,304,900.09/249,173.26 - Step 6: Final answer
x = 137,122.68
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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.