Finding the Fourth Proportional to 195,015.68, 292,545.48 and 76,671.44
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Solution
The fourth proportional to 195,015.68, 292,545.48 and 76,671.44 is: 115,015.79
Step by Step Solution
- Step 1: Write the proportion equation
195,015.68 : 292,545.48 = 76,671.44 : x - Step 2: Convert to fraction form
195,015.68/292,545.48 = 76,671.44/x - Step 3: Cross multiply
195,015.68x = 292,545.48 × 76,671.44 - Step 4: Simplify right side
195,015.68x = 22,429,883,217.09 - Step 5: Solve for x
x = 22,429,883,217.09/195,015.68 - Step 6: Final answer
x = 115,015.79
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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.