Finding the Fourth Proportional to 278,371.28, 417,852.18 and 246,556.88
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Solution
The fourth proportional to 278,371.28, 417,852.18 and 246,556.88 is: 370,096.84
Step by Step Solution
- Step 1: Write the proportion equation
278,371.28 : 417,852.18 = 246,556.88 : x - Step 2: Convert to fraction form
278,371.28/417,852.18 = 246,556.88/x - Step 3: Cross multiply
278,371.28x = 417,852.18 × 246,556.88 - Step 4: Simplify right side
278,371.28x = 103,024,329,802.00 - Step 5: Solve for x
x = 103,024,329,802.00/278,371.28 - Step 6: Final answer
x = 370,096.84
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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.