Finding the Fourth Proportional to 134,232.70, 201,502.65 and 78,859.90
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Solution
The fourth proportional to 134,232.70, 201,502.65 and 78,859.90 is: 118,380.09
Step by Step Solution
- Step 1: Write the proportion equation
134,232.70 : 201,502.65 = 78,859.90 : x - Step 2: Convert to fraction form
134,232.70/201,502.65 = 78,859.90/x - Step 3: Cross multiply
134,232.70x = 201,502.65 × 78,859.90 - Step 4: Simplify right side
134,232.70x = 15,890,478,828.74 - Step 5: Solve for x
x = 15,890,478,828.74/134,232.70 - Step 6: Final answer
x = 118,380.09
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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.