Finding the Fourth Proportional to 340,977.12, 511,447.20 and 104,319.76
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Solution
The fourth proportional to 340,977.12, 511,447.20 and 104,319.76 is: 156,473.99
Step by Step Solution
- Step 1: Write the proportion equation
340,977.12 : 511,447.20 = 104,319.76 : x - Step 2: Convert to fraction form
340,977.12/511,447.20 = 104,319.76/x - Step 3: Cross multiply
340,977.12x = 511,447.20 × 104,319.76 - Step 4: Simplify right side
340,977.12x = 53,354,049,156.67 - Step 5: Solve for x
x = 53,354,049,156.67/340,977.12 - Step 6: Final answer
x = 156,473.99
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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.