Finding the Fourth Proportional to 134,453.36, 201,681.65 and 40,959.92
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Solution
The fourth proportional to 134,453.36, 201,681.65 and 40,959.92 is: 61,440.37
Step by Step Solution
- Step 1: Write the proportion equation
134,453.36 : 201,681.65 = 40,959.92 : x - Step 2: Convert to fraction form
134,453.36/201,681.65 = 40,959.92/x - Step 3: Cross multiply
134,453.36x = 201,681.65 × 40,959.92 - Step 4: Simplify right side
134,453.36x = 8,260,863,343.46 - Step 5: Solve for x
x = 8,260,863,343.46/134,453.36 - Step 6: Final answer
x = 61,440.37
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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.