Finding the Fourth Proportional to 284,203.99, 392,201.85 and 156,879.58
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Solution
The fourth proportional to 284,203.99, 392,201.85 and 156,879.58 is: 216,494.01
Step by Step Solution
- Step 1: Write the proportion equation
284,203.99 : 392,201.85 = 156,879.58 : x - Step 2: Convert to fraction form
284,203.99/392,201.85 = 156,879.58/x - Step 3: Cross multiply
284,203.99x = 392,201.85 × 156,879.58 - Step 4: Simplify right side
284,203.99x = 61,528,461,503.22 - Step 5: Solve for x
x = 61,528,461,503.22/284,203.99 - Step 6: Final answer
x = 216,494.01
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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.