Finding the Fourth Proportional to 361,929.06, 542,720.76 and 212,214.94
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Solution
The fourth proportional to 361,929.06, 542,720.76 and 212,214.94 is: 318,221.07
Step by Step Solution
- Step 1: Write the proportion equation
361,929.06 : 542,720.76 = 212,214.94 : x - Step 2: Convert to fraction form
361,929.06/542,720.76 = 212,214.94/x - Step 3: Cross multiply
361,929.06x = 542,720.76 × 212,214.94 - Step 4: Simplify right side
361,929.06x = 115,173,451,367.55 - Step 5: Solve for x
x = 115,173,451,367.55/361,929.06 - Step 6: Final answer
x = 318,221.07
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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.