Finding the Fourth Proportional to 358,499.99, 494,618.36 and 203,425.61
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Solution
The fourth proportional to 358,499.99, 494,618.36 and 203,425.61 is: 280,663.99
Step by Step Solution
- Step 1: Write the proportion equation
358,499.99 : 494,618.36 = 203,425.61 : x - Step 2: Convert to fraction form
358,499.99/494,618.36 = 203,425.61/x - Step 3: Cross multiply
358,499.99x = 494,618.36 × 203,425.61 - Step 4: Simplify right side
358,499.99x = 100,618,038,109.98 - Step 5: Solve for x
x = 100,618,038,109.98/358,499.99 - Step 6: Final answer
x = 280,663.99
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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.