Finding the Fourth Proportional to 284,620.68, 392,765.58 and 163,800.77
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Solution
The fourth proportional to 284,620.68, 392,765.58 and 163,800.77 is: 226,038.75
Step by Step Solution
- Step 1: Write the proportion equation
284,620.68 : 392,765.58 = 163,800.77 : x - Step 2: Convert to fraction form
284,620.68/392,765.58 = 163,800.77/x - Step 3: Cross multiply
284,620.68x = 392,765.58 × 163,800.77 - Step 4: Simplify right side
284,620.68x = 64,335,302,469.67 - Step 5: Solve for x
x = 64,335,302,469.67/284,620.68 - Step 6: Final answer
x = 226,038.75
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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.