Finding the Fourth Proportional to 201,325.80, 301,988.70 and 134,970.60
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Solution
The fourth proportional to 201,325.80, 301,988.70 and 134,970.60 is: 202,455.90
Step by Step Solution
- Step 1: Write the proportion equation
201,325.80 : 301,988.70 = 134,970.60 : x - Step 2: Convert to fraction form
201,325.80/301,988.70 = 134,970.60/x - Step 3: Cross multiply
201,325.80x = 301,988.70 × 134,970.60 - Step 4: Simplify right side
201,325.80x = 40,759,596,032.22 - Step 5: Solve for x
x = 40,759,596,032.22/201,325.80 - Step 6: Final answer
x = 202,455.90
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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.