Finding the Fourth Proportional to 538,605.24, 807,935.58 and 139,249.47
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Solution
The fourth proportional to 538,605.24, 807,935.58 and 139,249.47 is: 208,881.37
Step by Step Solution
- Step 1: Write the proportion equation
538,605.24 : 807,935.58 = 139,249.47 : x - Step 2: Convert to fraction form
538,605.24/807,935.58 = 139,249.47/x - Step 3: Cross multiply
538,605.24x = 807,935.58 × 139,249.47 - Step 4: Simplify right side
538,605.24x = 112,504,601,309.14 - Step 5: Solve for x
x = 112,504,601,309.14/538,605.24 - Step 6: Final answer
x = 208,881.37
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.