Finding the Fourth Proportional to 284,161.99, 392,291.16 and 207,595.12
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Solution
The fourth proportional to 284,161.99, 392,291.16 and 207,595.12 is: 286,589.10
Step by Step Solution
- Step 1: Write the proportion equation
284,161.99 : 392,291.16 = 207,595.12 : x - Step 2: Convert to fraction form
284,161.99/392,291.16 = 207,595.12/x - Step 3: Cross multiply
284,161.99x = 392,291.16 × 207,595.12 - Step 4: Simplify right side
284,161.99x = 81,437,729,397.16 - Step 5: Solve for x
x = 81,437,729,397.16/284,161.99 - Step 6: Final answer
x = 286,589.10
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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.