Finding the Fourth Proportional to 230,817.09, 318,580.71 and 135,354.54
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Solution
The fourth proportional to 230,817.09, 318,580.71 and 135,354.54 is: 186,820.42
Step by Step Solution
- Step 1: Write the proportion equation
230,817.09 : 318,580.71 = 135,354.54 : x - Step 2: Convert to fraction form
230,817.09/318,580.71 = 135,354.54/x - Step 3: Cross multiply
230,817.09x = 318,580.71 × 135,354.54 - Step 4: Simplify right side
230,817.09x = 43,121,345,454.92 - Step 5: Solve for x
x = 43,121,345,454.92/230,817.09 - Step 6: Final answer
x = 186,820.42
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.