Finding the Fourth Proportional to 378,106.31, 567,395.94 and 153,466.74
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Solution
The fourth proportional to 378,106.31, 567,395.94 and 153,466.74 is: 230,296.09
Step by Step Solution
- Step 1: Write the proportion equation
378,106.31 : 567,395.94 = 153,466.74 : x - Step 2: Convert to fraction form
378,106.31/567,395.94 = 153,466.74/x - Step 3: Cross multiply
378,106.31x = 567,395.94 × 153,466.74 - Step 4: Simplify right side
378,106.31x = 87,076,405,201.04 - Step 5: Solve for x
x = 87,076,405,201.04/378,106.31 - Step 6: Final answer
x = 230,296.09
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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.