Finding the Fourth Proportional to 109,664.21, 164,497.68 and 38,588.99
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Solution
The fourth proportional to 109,664.21, 164,497.68 and 38,588.99 is: 57,883.96
Step by Step Solution
- Step 1: Write the proportion equation
109,664.21 : 164,497.68 = 38,588.99 : x - Step 2: Convert to fraction form
109,664.21/164,497.68 = 38,588.99/x - Step 3: Cross multiply
109,664.21x = 164,497.68 × 38,588.99 - Step 4: Simplify right side
109,664.21x = 6,347,798,506.05 - Step 5: Solve for x
x = 6,347,798,506.05/109,664.21 - Step 6: Final answer
x = 57,883.96
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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.