Finding the Fourth Proportional to 364,649.80, 503,267.44 and 203,515.23
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Solution
The fourth proportional to 364,649.80, 503,267.44 and 203,515.23 is: 280,879.32
Step by Step Solution
- Step 1: Write the proportion equation
364,649.80 : 503,267.44 = 203,515.23 : x - Step 2: Convert to fraction form
364,649.80/503,267.44 = 203,515.23/x - Step 3: Cross multiply
364,649.80x = 503,267.44 × 203,515.23 - Step 4: Simplify right side
364,649.80x = 102,422,588,803.11 - Step 5: Solve for x
x = 102,422,588,803.11/364,649.80 - Step 6: Final answer
x = 280,879.32
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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.