Finding the Fourth Proportional to 415,188.99, 622,783.40 and 297,090.99
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Solution
The fourth proportional to 415,188.99, 622,783.40 and 297,090.99 is: 445,636.42
Step by Step Solution
- Step 1: Write the proportion equation
415,188.99 : 622,783.40 = 297,090.99 : x - Step 2: Convert to fraction form
415,188.99/622,783.40 = 297,090.99/x - Step 3: Cross multiply
415,188.99x = 622,783.40 × 297,090.99 - Step 4: Simplify right side
415,188.99x = 185,023,335,376.11 - Step 5: Solve for x
x = 185,023,335,376.11/415,188.99 - Step 6: Final answer
x = 445,636.42
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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.