Finding the Fourth Proportional to 358,237.28, 494,349.36 and 214,968.80
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Solution
The fourth proportional to 358,237.28, 494,349.36 and 214,968.80 is: 296,646.09
Step by Step Solution
- Step 1: Write the proportion equation
358,237.28 : 494,349.36 = 214,968.80 : x - Step 2: Convert to fraction form
358,237.28/494,349.36 = 214,968.80/x - Step 3: Cross multiply
358,237.28x = 494,349.36 × 214,968.80 - Step 4: Simplify right side
358,237.28x = 106,269,688,699.97 - Step 5: Solve for x
x = 106,269,688,699.97/358,237.28 - Step 6: Final answer
x = 296,646.09
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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.