Finding the Fourth Proportional to 219,170.23, 302,451.95 and 122,375.58
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Solution
The fourth proportional to 219,170.23, 302,451.95 and 122,375.58 is: 168,876.65
Step by Step Solution
- Step 1: Write the proportion equation
219,170.23 : 302,451.95 = 122,375.58 : x - Step 2: Convert to fraction form
219,170.23/302,451.95 = 122,375.58/x - Step 3: Cross multiply
219,170.23x = 302,451.95 × 122,375.58 - Step 4: Simplify right side
219,170.23x = 37,012,734,182.88 - Step 5: Solve for x
x = 37,012,734,182.88/219,170.23 - Step 6: Final answer
x = 168,876.65
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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.