Finding the Fourth Proportional to 259,071.21, 357,523.47 and 144,343.62
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Solution
The fourth proportional to 259,071.21, 357,523.47 and 144,343.62 is: 199,197.09
Step by Step Solution
- Step 1: Write the proportion equation
259,071.21 : 357,523.47 = 144,343.62 : x - Step 2: Convert to fraction form
259,071.21/357,523.47 = 144,343.62/x - Step 3: Cross multiply
259,071.21x = 357,523.47 × 144,343.62 - Step 4: Simplify right side
259,071.21x = 51,606,231,894.76 - Step 5: Solve for x
x = 51,606,231,894.76/259,071.21 - Step 6: Final answer
x = 199,197.09
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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.