Finding the Fourth Proportional to 450,609.75, 621,851.18 and 249,405.75
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Solution
The fourth proportional to 450,609.75, 621,851.18 and 249,405.75 is: 344,185.31
Step by Step Solution
- Step 1: Write the proportion equation
450,609.75 : 621,851.18 = 249,405.75 : x - Step 2: Convert to fraction form
450,609.75/621,851.18 = 249,405.75/x - Step 3: Cross multiply
450,609.75x = 621,851.18 × 249,405.75 - Step 4: Simplify right side
450,609.75x = 155,093,258,689.26 - Step 5: Solve for x
x = 155,093,258,689.26/450,609.75 - Step 6: Final answer
x = 344,185.31
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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.