Finding the Fourth Proportional to 201,062.60, 301,248.30 and 130,905.80
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Solution
The fourth proportional to 201,062.60, 301,248.30 and 130,905.80 is: 196,133.69
Step by Step Solution
- Step 1: Write the proportion equation
201,062.60 : 301,248.30 = 130,905.80 : x - Step 2: Convert to fraction form
201,062.60/301,248.30 = 130,905.80/x - Step 3: Cross multiply
201,062.60x = 301,248.30 × 130,905.80 - Step 4: Simplify right side
201,062.60x = 39,435,149,710.14 - Step 5: Solve for x
x = 39,435,149,710.14/201,062.60 - Step 6: Final answer
x = 196,133.69
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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.