Finding the Fourth Proportional to 251,297.10, 346,792.68 and 136,575.74
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Solution
The fourth proportional to 251,297.10, 346,792.68 and 136,575.74 is: 188,475.97
Step by Step Solution
- Step 1: Write the proportion equation
251,297.10 : 346,792.68 = 136,575.74 : x - Step 2: Convert to fraction form
251,297.10/346,792.68 = 136,575.74/x - Step 3: Cross multiply
251,297.10x = 346,792.68 × 136,575.74 - Step 4: Simplify right side
251,297.10x = 47,363,465,163.62 - Step 5: Solve for x
x = 47,363,465,163.62/251,297.10 - Step 6: Final answer
x = 188,475.97
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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.