Finding the Fourth Proportional to 426,673.63, 640,360.37 and 216,371.71
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Solution
The fourth proportional to 426,673.63, 640,360.37 and 216,371.71 is: 324,735.02
Step by Step Solution
- Step 1: Write the proportion equation
426,673.63 : 640,360.37 = 216,371.71 : x - Step 2: Convert to fraction form
426,673.63/640,360.37 = 216,371.71/x - Step 3: Cross multiply
426,673.63x = 640,360.37 × 216,371.71 - Step 4: Simplify right side
426,673.63x = 138,555,868,273.13 - Step 5: Solve for x
x = 138,555,868,273.13/426,673.63 - Step 6: Final answer
x = 324,735.02
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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.