Finding the Fourth Proportional to 284,614.99, 392,810.39 and 171,435.31
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Solution
The fourth proportional to 284,614.99, 392,810.39 and 171,435.31 is: 236,605.84
Step by Step Solution
- Step 1: Write the proportion equation
284,614.99 : 392,810.39 = 171,435.31 : x - Step 2: Convert to fraction form
284,614.99/392,810.39 = 171,435.31/x - Step 3: Cross multiply
284,614.99x = 392,810.39 × 171,435.31 - Step 4: Simplify right side
284,614.99x = 67,341,570,123.69 - Step 5: Solve for x
x = 67,341,570,123.69/284,614.99 - Step 6: Final answer
x = 236,605.84
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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.