Finding the Fourth Proportional to 498,112.21, 687,572.36 and 294,163.98
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Solution
The fourth proportional to 498,112.21, 687,572.36 and 294,163.98 is: 406,051.12
Step by Step Solution
- Step 1: Write the proportion equation
498,112.21 : 687,572.36 = 294,163.98 : x - Step 2: Convert to fraction form
498,112.21/687,572.36 = 294,163.98/x - Step 3: Cross multiply
498,112.21x = 687,572.36 × 294,163.98 - Step 4: Simplify right side
498,112.21x = 202,259,021,955.59 - Step 5: Solve for x
x = 202,259,021,955.59/498,112.21 - Step 6: Final answer
x = 406,051.12
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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.