Finding the Fourth Proportional to 134,119.40, 201,206.10 and 39,349.40
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Solution
The fourth proportional to 134,119.40, 201,206.10 and 39,349.40 is: 59,032.02
Step by Step Solution
- Step 1: Write the proportion equation
134,119.40 : 201,206.10 = 39,349.40 : x - Step 2: Convert to fraction form
134,119.40/201,206.10 = 39,349.40/x - Step 3: Cross multiply
134,119.40x = 201,206.10 × 39,349.40 - Step 4: Simplify right side
134,119.40x = 7,917,339,311.34 - Step 5: Solve for x
x = 7,917,339,311.34/134,119.40 - Step 6: Final answer
x = 59,032.02
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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.