Finding the Fourth Proportional to 626,201.48, 864,158.34 and 339,721.48
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Solution
The fourth proportional to 626,201.48, 864,158.34 and 339,721.48 is: 468,815.80
Step by Step Solution
- Step 1: Write the proportion equation
626,201.48 : 864,158.34 = 339,721.48 : x - Step 2: Convert to fraction form
626,201.48/864,158.34 = 339,721.48/x - Step 3: Cross multiply
626,201.48x = 864,158.34 × 339,721.48 - Step 4: Simplify right side
626,201.48x = 293,573,150,219.14 - Step 5: Solve for x
x = 293,573,150,219.14/626,201.48 - Step 6: Final answer
x = 468,815.80
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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.