Finding the Fourth Proportional to 475,959.97, 656,820.94 and 258,168.09
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Solution
The fourth proportional to 475,959.97, 656,820.94 and 258,168.09 is: 356,269.89
Step by Step Solution
- Step 1: Write the proportion equation
475,959.97 : 656,820.94 = 258,168.09 : x - Step 2: Convert to fraction form
475,959.97/656,820.94 = 258,168.09/x - Step 3: Cross multiply
475,959.97x = 656,820.94 × 258,168.09 - Step 4: Simplify right side
475,959.97x = 169,570,207,551.81 - Step 5: Solve for x
x = 169,570,207,551.81/475,959.97 - Step 6: Final answer
x = 356,269.89
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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.