Finding the Fourth Proportional to 451,716.88, 623,358.56 and 247,765.99
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Solution
The fourth proportional to 451,716.88, 623,358.56 and 247,765.99 is: 341,911.18
Step by Step Solution
- Step 1: Write the proportion equation
451,716.88 : 623,358.56 = 247,765.99 : x - Step 2: Convert to fraction form
451,716.88/623,358.56 = 247,765.99/x - Step 3: Cross multiply
451,716.88x = 623,358.56 × 247,765.99 - Step 4: Simplify right side
451,716.88x = 154,447,050,276.35 - Step 5: Solve for x
x = 154,447,050,276.35/451,716.88 - Step 6: Final answer
x = 341,911.18
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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.