Finding the Fourth Proportional to 122,090.24, 182,807.25 and 77,475.44
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Solution
The fourth proportional to 122,090.24, 182,807.25 and 77,475.44 is: 116,004.95
Step by Step Solution
- Step 1: Write the proportion equation
122,090.24 : 182,807.25 = 77,475.44 : x - Step 2: Convert to fraction form
122,090.24/182,807.25 = 77,475.44/x - Step 3: Cross multiply
122,090.24x = 182,807.25 × 77,475.44 - Step 4: Simplify right side
122,090.24x = 14,163,072,128.94 - Step 5: Solve for x
x = 14,163,072,128.94/122,090.24 - Step 6: Final answer
x = 116,004.95
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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.