Finding the Fourth Proportional to 450,135.05, 621,163.41 and 246,146.39
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Solution
The fourth proportional to 450,135.05, 621,163.41 and 246,146.39 is: 339,669.46
Step by Step Solution
- Step 1: Write the proportion equation
450,135.05 : 621,163.41 = 246,146.39 : x - Step 2: Convert to fraction form
450,135.05/621,163.41 = 246,146.39/x - Step 3: Cross multiply
450,135.05x = 621,163.41 × 246,146.39 - Step 4: Simplify right side
450,135.05x = 152,897,130,971.59 - Step 5: Solve for x
x = 152,897,130,971.59/450,135.05 - Step 6: Final answer
x = 339,669.46
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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.