Finding the Fourth Proportional to 284,598.99, 392,713.15 and 157,266.99
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Solution
The fourth proportional to 284,598.99, 392,713.15 and 157,266.99 is: 217,009.96
Step by Step Solution
- Step 1: Write the proportion equation
284,598.99 : 392,713.15 = 157,266.99 : x - Step 2: Convert to fraction form
284,598.99/392,713.15 = 157,266.99/x - Step 3: Cross multiply
284,598.99x = 392,713.15 × 157,266.99 - Step 4: Simplify right side
284,598.99x = 61,760,815,033.92 - Step 5: Solve for x
x = 61,760,815,033.92/284,598.99 - Step 6: Final answer
x = 217,009.96
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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.