Finding the Fourth Proportional to 236,628.96, 326,548.08 and 136,020.96
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Solution
The fourth proportional to 236,628.96, 326,548.08 and 136,020.96 is: 187,708.99
Step by Step Solution
- Step 1: Write the proportion equation
236,628.96 : 326,548.08 = 136,020.96 : x - Step 2: Convert to fraction form
236,628.96/326,548.08 = 136,020.96/x - Step 3: Cross multiply
236,628.96x = 326,548.08 × 136,020.96 - Step 4: Simplify right side
236,628.96x = 44,417,383,327.76 - Step 5: Solve for x
x = 44,417,383,327.76/236,628.96 - Step 6: Final answer
x = 187,708.99
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1.5x scale
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.