Finding the Fourth Proportional to 424,549.99, 585,882.79 and 230,961.93
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Solution
The fourth proportional to 424,549.99, 585,882.79 and 230,961.93 is: 318,729.53
Step by Step Solution
- Step 1: Write the proportion equation
424,549.99 : 585,882.79 = 230,961.93 : x - Step 2: Convert to fraction form
424,549.99/585,882.79 = 230,961.93/x - Step 3: Cross multiply
424,549.99x = 585,882.79 × 230,961.93 - Step 4: Simplify right side
424,549.99x = 135,316,617,157.72 - Step 5: Solve for x
x = 135,316,617,157.72/424,549.99 - Step 6: Final answer
x = 318,729.53
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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.