Finding the Fourth Proportional to 122,558.08, 183,837.26 and 38,318.68
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Solution
The fourth proportional to 122,558.08, 183,837.26 and 38,318.68 is: 57,478.06
Step by Step Solution
- Step 1: Write the proportion equation
122,558.08 : 183,837.26 = 38,318.68 : x - Step 2: Convert to fraction form
122,558.08/183,837.26 = 38,318.68/x - Step 3: Cross multiply
122,558.08x = 183,837.26 × 38,318.68 - Step 4: Simplify right side
122,558.08x = 7,044,400,486.83 - Step 5: Solve for x
x = 7,044,400,486.83/122,558.08 - Step 6: Final answer
x = 57,478.06
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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.