Finding the Fourth Proportional to 134,308.80, 201,220.20 and 106,412.40
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Solution
The fourth proportional to 134,308.80, 201,220.20 and 106,412.40 is: 159,426.07
Step by Step Solution
- Step 1: Write the proportion equation
134,308.80 : 201,220.20 = 106,412.40 : x - Step 2: Convert to fraction form
134,308.80/201,220.20 = 106,412.40/x - Step 3: Cross multiply
134,308.80x = 201,220.20 × 106,412.40 - Step 4: Simplify right side
134,308.80x = 21,412,324,410.48 - Step 5: Solve for x
x = 21,412,324,410.48/134,308.80 - Step 6: Final answer
x = 159,426.07
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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.