Finding the Fourth Proportional to 356,289.71, 491,689.36 and 201,228.56
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Solution
The fourth proportional to 356,289.71, 491,689.36 and 201,228.56 is: 277,700.82
Step by Step Solution
- Step 1: Write the proportion equation
356,289.71 : 491,689.36 = 201,228.56 : x - Step 2: Convert to fraction form
356,289.71/491,689.36 = 201,228.56/x - Step 3: Cross multiply
356,289.71x = 491,689.36 × 201,228.56 - Step 4: Simplify right side
356,289.71x = 98,941,943,360.88 - Step 5: Solve for x
x = 98,941,943,360.88/356,289.71 - Step 6: Final answer
x = 277,700.82
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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.