Finding the Fourth Proportional to 251,862.28, 347,602.44 and 144,470.68
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Solution
The fourth proportional to 251,862.28, 347,602.44 and 144,470.68 is: 199,388.18
Step by Step Solution
- Step 1: Write the proportion equation
251,862.28 : 347,602.44 = 144,470.68 : x - Step 2: Convert to fraction form
251,862.28/347,602.44 = 144,470.68/x - Step 3: Cross multiply
251,862.28x = 347,602.44 × 144,470.68 - Step 4: Simplify right side
251,862.28x = 50,218,360,876.46 - Step 5: Solve for x
x = 50,218,360,876.46/251,862.28 - Step 6: Final answer
x = 199,388.18
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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.