Finding the Fourth Proportional to 490,726.14, 677,198.25 and 272,936.81
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Solution
The fourth proportional to 490,726.14, 677,198.25 and 272,936.81 is: 376,650.66
Step by Step Solution
- Step 1: Write the proportion equation
490,726.14 : 677,198.25 = 272,936.81 : x - Step 2: Convert to fraction form
490,726.14/677,198.25 = 272,936.81/x - Step 3: Cross multiply
490,726.14x = 677,198.25 × 272,936.81 - Step 4: Simplify right side
490,726.14x = 184,832,326,706.59 - Step 5: Solve for x
x = 184,832,326,706.59/490,726.14 - Step 6: Final answer
x = 376,650.66
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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.