Finding the Fourth Proportional to 415,051.28, 621,578.86 and 237,018.68
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Solution
The fourth proportional to 415,051.28, 621,578.86 and 237,018.68 is: 354,958.07
Step by Step Solution
- Step 1: Write the proportion equation
415,051.28 : 621,578.86 = 237,018.68 : x - Step 2: Convert to fraction form
415,051.28/621,578.86 = 237,018.68/x - Step 3: Cross multiply
415,051.28x = 621,578.86 × 237,018.68 - Step 4: Simplify right side
415,051.28x = 147,325,800,913.11 - Step 5: Solve for x
x = 147,325,800,913.11/415,051.28 - Step 6: Final answer
x = 354,958.07
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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.