Finding the Fourth Proportional to 236,449.41, 326,301.12 and 129,021.68
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Solution
The fourth proportional to 236,449.41, 326,301.12 and 129,021.68 is: 178,050.42
Step by Step Solution
- Step 1: Write the proportion equation
236,449.41 : 326,301.12 = 129,021.68 : x - Step 2: Convert to fraction form
236,449.41/326,301.12 = 129,021.68/x - Step 3: Cross multiply
236,449.41x = 326,301.12 × 129,021.68 - Step 4: Simplify right side
236,449.41x = 42,099,917,056.78 - Step 5: Solve for x
x = 42,099,917,056.78/236,449.41 - Step 6: Final answer
x = 178,050.42
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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.