Finding the Fourth Proportional to 134,122.67, 201,215.13 and 39,349.02
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Solution
The fourth proportional to 134,122.67, 201,215.13 and 39,349.02 is: 59,032.66
Step by Step Solution
- Step 1: Write the proportion equation
134,122.67 : 201,215.13 = 39,349.02 : x - Step 2: Convert to fraction form
134,122.67/201,215.13 = 39,349.02/x - Step 3: Cross multiply
134,122.67x = 201,215.13 × 39,349.02 - Step 4: Simplify right side
134,122.67x = 7,917,618,174.67 - Step 5: Solve for x
x = 7,917,618,174.67/134,122.67 - Step 6: Final answer
x = 59,032.66
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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.