Finding the Fourth Proportional to 346,183.05, 518,122.58 and 251,143.05
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Solution
The fourth proportional to 346,183.05, 518,122.58 and 251,143.05 is: 375,878.84
Step by Step Solution
- Step 1: Write the proportion equation
346,183.05 : 518,122.58 = 251,143.05 : x - Step 2: Convert to fraction form
346,183.05/518,122.58 = 251,143.05/x - Step 3: Cross multiply
346,183.05x = 518,122.58 × 251,143.05 - Step 4: Simplify right side
346,183.05x = 130,122,883,759.35 - Step 5: Solve for x
x = 130,122,883,759.35/346,183.05 - Step 6: Final answer
x = 375,878.84
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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.