Finding the Fourth Proportional to 738,390.23, 1,107,772.14 and 205,911.32
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Solution
The fourth proportional to 738,390.23, 1,107,772.14 and 205,911.32 is: 308,919.07
Step by Step Solution
- Step 1: Write the proportion equation
738,390.23 : 1,107,772.14 = 205,911.32 : x - Step 2: Convert to fraction form
738,390.23/1,107,772.14 = 205,911.32/x - Step 3: Cross multiply
738,390.23x = 1,107,772.14 × 205,911.32 - Step 4: Simplify right side
738,390.23x = 228,102,818,067.76 - Step 5: Solve for x
x = 228,102,818,067.76/738,390.23 - Step 6: Final answer
x = 308,919.07
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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.