Finding the Fourth Proportional to 485,749.14, 670,332.51 and 270,889.44
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Solution
The fourth proportional to 485,749.14, 670,332.51 and 270,889.44 is: 373,826.70
Step by Step Solution
- Step 1: Write the proportion equation
485,749.14 : 670,332.51 = 270,889.44 : x - Step 2: Convert to fraction form
485,749.14/670,332.51 = 270,889.44/x - Step 3: Cross multiply
485,749.14x = 670,332.51 × 270,889.44 - Step 4: Simplify right side
485,749.14x = 181,585,998,247.69 - Step 5: Solve for x
x = 181,585,998,247.69/485,749.14 - Step 6: Final answer
x = 373,826.70
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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.