Finding the Fourth Proportional to 405,852.64, 560,214.84 and 236,229.28
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Solution
The fourth proportional to 405,852.64, 560,214.84 and 236,229.28 is: 326,076.84
Step by Step Solution
- Step 1: Write the proportion equation
405,852.64 : 560,214.84 = 236,229.28 : x - Step 2: Convert to fraction form
405,852.64/560,214.84 = 236,229.28/x - Step 3: Cross multiply
405,852.64x = 560,214.84 × 236,229.28 - Step 4: Simplify right side
405,852.64x = 132,339,148,298.52 - Step 5: Solve for x
x = 132,339,148,298.52/405,852.64 - Step 6: Final answer
x = 326,076.84
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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.