Finding the Fourth Proportional to 236,478.28, 326,313.28 and 135,908.68
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Solution
The fourth proportional to 236,478.28, 326,313.28 and 135,908.68 is: 187,538.61
Step by Step Solution
- Step 1: Write the proportion equation
236,478.28 : 326,313.28 = 135,908.68 : x - Step 2: Convert to fraction form
236,478.28/326,313.28 = 135,908.68/x - Step 3: Cross multiply
236,478.28x = 326,313.28 × 135,908.68 - Step 4: Simplify right side
236,478.28x = 44,348,807,151.27 - Step 5: Solve for x
x = 44,348,807,151.27/236,478.28 - Step 6: Final answer
x = 187,538.61
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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.