Finding the Fourth Proportional to 134,430.32, 201,678.21 and 40,936.07
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Solution
The fourth proportional to 134,430.32, 201,678.21 and 40,936.07 is: 61,414.07
Step by Step Solution
- Step 1: Write the proportion equation
134,430.32 : 201,678.21 = 40,936.07 : x - Step 2: Convert to fraction form
134,430.32/201,678.21 = 40,936.07/x - Step 3: Cross multiply
134,430.32x = 201,678.21 × 40,936.07 - Step 4: Simplify right side
134,430.32x = 8,255,912,313.64 - Step 5: Solve for x
x = 8,255,912,313.64/134,430.32 - Step 6: Final answer
x = 61,414.07
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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.