Finding the Fourth Proportional to 251,256.15, 346,763.43 and 143,860.68
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Solution
The fourth proportional to 251,256.15, 346,763.43 and 143,860.68 is: 198,544.88
Step by Step Solution
- Step 1: Write the proportion equation
251,256.15 : 346,763.43 = 143,860.68 : x - Step 2: Convert to fraction form
251,256.15/346,763.43 = 143,860.68/x - Step 3: Cross multiply
251,256.15x = 346,763.43 × 143,860.68 - Step 4: Simplify right side
251,256.15x = 49,885,622,838.93 - Step 5: Solve for x
x = 49,885,622,838.93/251,256.15 - Step 6: Final answer
x = 198,544.88
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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.