Finding the Fourth Proportional to 626,201.93, 864,158.96 and 339,721.94
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Solution
The fourth proportional to 626,201.93, 864,158.96 and 339,721.94 is: 468,816.43
Step by Step Solution
- Step 1: Write the proportion equation
626,201.93 : 864,158.96 = 339,721.94 : x - Step 2: Convert to fraction form
626,201.93/864,158.96 = 339,721.94/x - Step 3: Cross multiply
626,201.93x = 864,158.96 × 339,721.94 - Step 4: Simplify right side
626,201.93x = 293,573,752,340.18 - Step 5: Solve for x
x = 293,573,752,340.18/626,201.93 - Step 6: Final answer
x = 468,816.43
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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.