Finding the Fourth Proportional to 149,987.36, 206,562.48 and 146,721.44
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Solution
The fourth proportional to 149,987.36, 206,562.48 and 146,721.44 is: 202,064.66
Step by Step Solution
- Step 1: Write the proportion equation
149,987.36 : 206,562.48 = 146,721.44 : x - Step 2: Convert to fraction form
149,987.36/206,562.48 = 146,721.44/x - Step 3: Cross multiply
149,987.36x = 206,562.48 × 146,721.44 - Step 4: Simplify right side
149,987.36x = 30,307,144,515.57 - Step 5: Solve for x
x = 30,307,144,515.57/149,987.36 - Step 6: Final answer
x = 202,064.66
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.