Finding the Fourth Proportional to 108,519.75, 162,781.75 and 29,636.08
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Solution
The fourth proportional to 108,519.75, 162,781.75 and 29,636.08 is: 44,454.70
Step by Step Solution
- Step 1: Write the proportion equation
108,519.75 : 162,781.75 = 29,636.08 : x - Step 2: Convert to fraction form
108,519.75/162,781.75 = 29,636.08/x - Step 3: Cross multiply
108,519.75x = 162,781.75 × 29,636.08 - Step 4: Simplify right side
108,519.75x = 4,824,212,595.63 - Step 5: Solve for x
x = 4,824,212,595.63/108,519.75 - Step 6: Final answer
x = 44,454.70
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.