Finding the Fourth Proportional to 143,135.10, 214,790.40 and 58,935.60
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Solution
The fourth proportional to 143,135.10, 214,790.40 and 58,935.60 is: 88,439.53
Step by Step Solution
- Step 1: Write the proportion equation
143,135.10 : 214,790.40 = 58,935.60 : x - Step 2: Convert to fraction form
143,135.10/214,790.40 = 58,935.60/x - Step 3: Cross multiply
143,135.10x = 214,790.40 × 58,935.60 - Step 4: Simplify right side
143,135.10x = 12,658,801,098.24 - Step 5: Solve for x
x = 12,658,801,098.24/143,135.10 - Step 6: Final answer
x = 88,439.53
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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.