Finding the Fourth Proportional to 122,649.99, 184,033.06 and 51,588.18
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Solution
The fourth proportional to 122,649.99, 184,033.06 and 51,588.18 is: 77,406.70
Step by Step Solution
- Step 1: Write the proportion equation
122,649.99 : 184,033.06 = 51,588.18 : x - Step 2: Convert to fraction form
122,649.99/184,033.06 = 51,588.18/x - Step 3: Cross multiply
122,649.99x = 184,033.06 × 51,588.18 - Step 4: Simplify right side
122,649.99x = 9,493,930,625.23 - Step 5: Solve for x
x = 9,493,930,625.23/122,649.99 - Step 6: Final answer
x = 77,406.70
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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.