Finding the Fourth Proportional to 833,243.87, 1,249,930.60 and 272,335.07
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Solution
The fourth proportional to 833,243.87, 1,249,930.60 and 272,335.07 is: 408,523.78
Step by Step Solution
- Step 1: Write the proportion equation
833,243.87 : 1,249,930.60 = 272,335.07 : x - Step 2: Convert to fraction form
833,243.87/1,249,930.60 = 272,335.07/x - Step 3: Cross multiply
833,243.87x = 1,249,930.60 × 272,335.07 - Step 4: Simplify right side
833,243.87x = 340,399,937,446.14 - Step 5: Solve for x
x = 340,399,937,446.14/833,243.87 - Step 6: Final answer
x = 408,523.78
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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.