Finding the Fourth Proportional to 358,108.99, 494,024.74 and 214,619.92
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Solution
The fourth proportional to 358,108.99, 494,024.74 and 214,619.92 is: 296,076.20
Step by Step Solution
- Step 1: Write the proportion equation
358,108.99 : 494,024.74 = 214,619.92 : x - Step 2: Convert to fraction form
358,108.99/494,024.74 = 214,619.92/x - Step 3: Cross multiply
358,108.99x = 494,024.74 × 214,619.92 - Step 4: Simplify right side
358,108.99x = 106,027,548,405.21 - Step 5: Solve for x
x = 106,027,548,405.21/358,108.99 - Step 6: Final answer
x = 296,076.20
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1.5x scale
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.