Finding the Fourth Proportional to 122,270.30, 183,431.87 and 38,028.88
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Solution
The fourth proportional to 122,270.30, 183,431.87 and 38,028.88 is: 57,051.54
Step by Step Solution
- Step 1: Write the proportion equation
122,270.30 : 183,431.87 = 38,028.88 : x - Step 2: Convert to fraction form
122,270.30/183,431.87 = 38,028.88/x - Step 3: Cross multiply
122,270.30x = 183,431.87 × 38,028.88 - Step 4: Simplify right side
122,270.30x = 6,975,708,572.41 - Step 5: Solve for x
x = 6,975,708,572.41/122,270.30 - Step 6: Final answer
x = 57,051.54
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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.