Finding the Fourth Proportional to 122,675.09, 183,926.52 and 47,732.09
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Solution
The fourth proportional to 122,675.09, 183,926.52 and 47,732.09 is: 71,564.62
Step by Step Solution
- Step 1: Write the proportion equation
122,675.09 : 183,926.52 = 47,732.09 : x - Step 2: Convert to fraction form
122,675.09/183,926.52 = 47,732.09/x - Step 3: Cross multiply
122,675.09x = 183,926.52 × 47,732.09 - Step 4: Simplify right side
122,675.09x = 8,779,196,286.39 - Step 5: Solve for x
x = 8,779,196,286.39/122,675.09 - Step 6: Final answer
x = 71,564.62
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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.