Finding the Fourth Proportional to 239,348.09, 330,302.36 and 131,918.39
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Solution
The fourth proportional to 239,348.09, 330,302.36 and 131,918.39 is: 182,048.49
Step by Step Solution
- Step 1: Write the proportion equation
239,348.09 : 330,302.36 = 131,918.39 : x - Step 2: Convert to fraction form
239,348.09/330,302.36 = 131,918.39/x - Step 3: Cross multiply
239,348.09x = 330,302.36 × 131,918.39 - Step 4: Simplify right side
239,348.09x = 43,572,956,699.95 - Step 5: Solve for x
x = 43,572,956,699.95/239,348.09 - Step 6: Final answer
x = 182,048.49
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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.