Finding the Fourth Proportional to 134,425.31, 201,637.97 and 40,931.06
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Solution
The fourth proportional to 134,425.31, 201,637.97 and 40,931.06 is: 61,396.59
Step by Step Solution
- Step 1: Write the proportion equation
134,425.31 : 201,637.97 = 40,931.06 : x - Step 2: Convert to fraction form
134,425.31/201,637.97 = 40,931.06/x - Step 3: Cross multiply
134,425.31x = 201,637.97 × 40,931.06 - Step 4: Simplify right side
134,425.31x = 8,253,256,454.77 - Step 5: Solve for x
x = 8,253,256,454.77/134,425.31 - Step 6: Final answer
x = 61,396.59
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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.