Finding the Fourth Proportional to 284,582.24, 392,723.63 and 157,257.83
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Solution
The fourth proportional to 284,582.24, 392,723.63 and 157,257.83 is: 217,015.88
Step by Step Solution
- Step 1: Write the proportion equation
284,582.24 : 392,723.63 = 157,257.83 : x - Step 2: Convert to fraction form
284,582.24/392,723.63 = 157,257.83/x - Step 3: Cross multiply
284,582.24x = 392,723.63 × 157,257.83 - Step 4: Simplify right side
284,582.24x = 61,758,865,843.52 - Step 5: Solve for x
x = 61,758,865,843.52/284,582.24 - Step 6: Final answer
x = 217,015.88
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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.