Finding the Fourth Proportional to 909,230.93, 1,363,796.96 and 278,144.74
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Solution
The fourth proportional to 909,230.93, 1,363,796.96 and 278,144.74 is: 417,201.99
Step by Step Solution
- Step 1: Write the proportion equation
909,230.93 : 1,363,796.96 = 278,144.74 : x - Step 2: Convert to fraction form
909,230.93/1,363,796.96 = 278,144.74/x - Step 3: Cross multiply
909,230.93x = 1,363,796.96 × 278,144.74 - Step 4: Simplify right side
909,230.93x = 379,332,950,851.99 - Step 5: Solve for x
x = 379,332,950,851.99/909,230.93 - Step 6: Final answer
x = 417,201.99
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.