Finding the Fourth Proportional to 236,465.28, 326,295.36 and 135,895.68
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Solution
The fourth proportional to 236,465.28, 326,295.36 and 135,895.68 is: 187,520.68
Step by Step Solution
- Step 1: Write the proportion equation
236,465.28 : 326,295.36 = 135,895.68 : x - Step 2: Convert to fraction form
236,465.28/326,295.36 = 135,895.68/x - Step 3: Cross multiply
236,465.28x = 326,295.36 × 135,895.68 - Step 4: Simplify right side
236,465.28x = 44,342,129,828.04 - Step 5: Solve for x
x = 44,342,129,828.04/236,465.28 - Step 6: Final answer
x = 187,520.68
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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.