Finding the Fourth Proportional to 451,732.99, 623,504.82 and 306,784.03
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Solution
The fourth proportional to 451,732.99, 623,504.82 and 306,784.03 is: 423,438.90
Step by Step Solution
- Step 1: Write the proportion equation
451,732.99 : 623,504.82 = 306,784.03 : x - Step 2: Convert to fraction form
451,732.99/623,504.82 = 306,784.03/x - Step 3: Cross multiply
451,732.99x = 623,504.82 × 306,784.03 - Step 4: Simplify right side
451,732.99x = 191,281,321,404.03 - Step 5: Solve for x
x = 191,281,321,404.03/451,732.99 - Step 6: Final answer
x = 423,438.90
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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.