Finding the Fourth Proportional to 358,273.99, 494,430.02 and 197,140.87
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Solution
The fourth proportional to 358,273.99, 494,430.02 and 197,140.87 is: 272,060.96
Step by Step Solution
- Step 1: Write the proportion equation
358,273.99 : 494,430.02 = 197,140.87 : x - Step 2: Convert to fraction form
358,273.99/494,430.02 = 197,140.87/x - Step 3: Cross multiply
358,273.99x = 494,430.02 × 197,140.87 - Step 4: Simplify right side
358,273.99x = 97,472,364,296.92 - Step 5: Solve for x
x = 97,472,364,296.92/358,273.99 - Step 6: Final answer
x = 272,060.96
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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.