Finding the Fourth Proportional to 456,812.86, 630,394.11 and 252,859.41
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Solution
The fourth proportional to 456,812.86, 630,394.11 and 252,859.41 is: 348,941.75
Step by Step Solution
- Step 1: Write the proportion equation
456,812.86 : 630,394.11 = 252,859.41 : x - Step 2: Convert to fraction form
456,812.86/630,394.11 = 252,859.41/x - Step 3: Cross multiply
456,812.86x = 630,394.11 × 252,859.41 - Step 4: Simplify right side
456,812.86x = 159,401,080,202.25 - Step 5: Solve for x
x = 159,401,080,202.25/456,812.86 - Step 6: Final answer
x = 348,941.75
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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.