Finding the Fourth Proportional to 646,020.24, 968,956.42 and 172,742.51
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Solution
The fourth proportional to 646,020.24, 968,956.42 and 172,742.51 is: 259,093.99
Step by Step Solution
- Step 1: Write the proportion equation
646,020.24 : 968,956.42 = 172,742.51 : x - Step 2: Convert to fraction form
646,020.24/968,956.42 = 172,742.51/x - Step 3: Cross multiply
646,020.24x = 968,956.42 × 172,742.51 - Step 4: Simplify right side
646,020.24x = 167,379,958,794.78 - Step 5: Solve for x
x = 167,379,958,794.78/646,020.24 - Step 6: Final answer
x = 259,093.99
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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.