Finding the Fourth Proportional to 284,162.49, 392,291.85 and 207,595.62
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Solution
The fourth proportional to 284,162.49, 392,291.85 and 207,595.62 is: 286,589.79
Step by Step Solution
- Step 1: Write the proportion equation
284,162.49 : 392,291.85 = 207,595.62 : x - Step 2: Convert to fraction form
284,162.49/392,291.85 = 207,595.62/x - Step 3: Cross multiply
284,162.49x = 392,291.85 × 207,595.62 - Step 4: Simplify right side
284,162.49x = 81,438,068,783.72 - Step 5: Solve for x
x = 81,438,068,783.72/284,162.49 - Step 6: Final answer
x = 286,589.79
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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.