Finding the Fourth Proportional to 426,961.28, 640,843.20 and 216,750.08
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Solution
The fourth proportional to 426,961.28, 640,843.20 and 216,750.08 is: 325,328.83
Step by Step Solution
- Step 1: Write the proportion equation
426,961.28 : 640,843.20 = 216,750.08 : x - Step 2: Convert to fraction form
426,961.28/640,843.20 = 216,750.08/x - Step 3: Cross multiply
426,961.28x = 640,843.20 × 216,750.08 - Step 4: Simplify right side
426,961.28x = 138,902,814,867.46 - Step 5: Solve for x
x = 138,902,814,867.46/426,961.28 - Step 6: Final answer
x = 325,328.83
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.