Finding the Fourth Proportional to 378,392.59, 522,395.36 and 251,242.03
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Solution
The fourth proportional to 378,392.59, 522,395.36 and 251,242.03 is: 346,855.82
Step by Step Solution
- Step 1: Write the proportion equation
378,392.59 : 522,395.36 = 251,242.03 : x - Step 2: Convert to fraction form
378,392.59/522,395.36 = 251,242.03/x - Step 3: Cross multiply
378,392.59x = 522,395.36 × 251,242.03 - Step 4: Simplify right side
378,392.59x = 131,247,670,708.98 - Step 5: Solve for x
x = 131,247,670,708.98/378,392.59 - Step 6: Final answer
x = 346,855.82
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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.