Finding the Fourth Proportional to 189,110.40, 283,291.20 and 122,596.80
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Solution
The fourth proportional to 189,110.40, 283,291.20 and 122,596.80 is: 183,652.48
Step by Step Solution
- Step 1: Write the proportion equation
189,110.40 : 283,291.20 = 122,596.80 : x - Step 2: Convert to fraction form
189,110.40/283,291.20 = 122,596.80/x - Step 3: Cross multiply
189,110.40x = 283,291.20 × 122,596.80 - Step 4: Simplify right side
189,110.40x = 34,730,594,588.16 - Step 5: Solve for x
x = 34,730,594,588.16/189,110.40 - Step 6: Final answer
x = 183,652.48
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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.