Finding the Fourth Proportional to 254,349.24, 381,460.68 and 76,842.60
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Solution
The fourth proportional to 254,349.24, 381,460.68 and 76,842.60 is: 115,244.81
Step by Step Solution
- Step 1: Write the proportion equation
254,349.24 : 381,460.68 = 76,842.60 : x - Step 2: Convert to fraction form
254,349.24/381,460.68 = 76,842.60/x - Step 3: Cross multiply
254,349.24x = 381,460.68 × 76,842.60 - Step 4: Simplify right side
254,349.24x = 29,312,430,448.97 - Step 5: Solve for x
x = 29,312,430,448.97/254,349.24 - Step 6: Final answer
x = 115,244.81
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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.