Finding the Fourth Proportional to 195,408.96, 269,664.84 and 105,984.96
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Solution
The fourth proportional to 195,408.96, 269,664.84 and 105,984.96 is: 146,259.50
Step by Step Solution
- Step 1: Write the proportion equation
195,408.96 : 269,664.84 = 105,984.96 : x - Step 2: Convert to fraction form
195,408.96/269,664.84 = 105,984.96/x - Step 3: Cross multiply
195,408.96x = 269,664.84 × 105,984.96 - Step 4: Simplify right side
195,408.96x = 28,580,417,280.81 - Step 5: Solve for x
x = 28,580,417,280.81/195,408.96 - Step 6: Final answer
x = 146,259.50
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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.