Finding the Fourth Proportional to 361,486.91, 541,854.36 and 121,422.67
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Solution
The fourth proportional to 361,486.91, 541,854.36 and 121,422.67 is: 182,007.70
Step by Step Solution
- Step 1: Write the proportion equation
361,486.91 : 541,854.36 = 121,422.67 : x - Step 2: Convert to fraction form
361,486.91/541,854.36 = 121,422.67/x - Step 3: Cross multiply
361,486.91x = 541,854.36 × 121,422.67 - Step 4: Simplify right side
361,486.91x = 65,793,401,787.71 - Step 5: Solve for x
x = 65,793,401,787.71/361,486.91 - Step 6: Final answer
x = 182,007.70
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.