Finding the Fourth Proportional to 475,877.05, 656,699.06 and 261,015.23
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Solution
The fourth proportional to 475,877.05, 656,699.06 and 261,015.23 is: 360,194.84
Step by Step Solution
- Step 1: Write the proportion equation
475,877.05 : 656,699.06 = 261,015.23 : x - Step 2: Convert to fraction form
475,877.05/656,699.06 = 261,015.23/x - Step 3: Cross multiply
475,877.05x = 656,699.06 × 261,015.23 - Step 4: Simplify right side
475,877.05x = 171,408,458,480.97 - Step 5: Solve for x
x = 171,408,458,480.97/475,877.05 - Step 6: Final answer
x = 360,194.84
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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.