Finding the Fourth Proportional to 236,794.02, 326,798.26 and 129,380.18
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Solution
The fourth proportional to 236,794.02, 326,798.26 and 129,380.18 is: 178,556.95
Step by Step Solution
- Step 1: Write the proportion equation
236,794.02 : 326,798.26 = 129,380.18 : x - Step 2: Convert to fraction form
236,794.02/326,798.26 = 129,380.18/x - Step 3: Cross multiply
236,794.02x = 326,798.26 × 129,380.18 - Step 4: Simplify right side
236,794.02x = 42,281,217,702.49 - Step 5: Solve for x
x = 42,281,217,702.49/236,794.02 - Step 6: Final answer
x = 178,556.95
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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.