Finding the Fourth Proportional to 452,163.78, 677,771.62 and 152,541.14
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Solution
The fourth proportional to 452,163.78, 677,771.62 and 152,541.14 is: 228,651.78
Step by Step Solution
- Step 1: Write the proportion equation
452,163.78 : 677,771.62 = 152,541.14 : x - Step 2: Convert to fraction form
452,163.78/677,771.62 = 152,541.14/x - Step 3: Cross multiply
452,163.78x = 677,771.62 × 152,541.14 - Step 4: Simplify right side
452,163.78x = 103,388,051,804.24 - Step 5: Solve for x
x = 103,388,051,804.24/452,163.78 - Step 6: Final answer
x = 228,651.78
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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.