Finding the Fourth Proportional to 441,791.48, 609,688.14 and 260,420.60
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Solution
The fourth proportional to 441,791.48, 609,688.14 and 260,420.60 is: 359,389.80
Step by Step Solution
- Step 1: Write the proportion equation
441,791.48 : 609,688.14 = 260,420.60 : x - Step 2: Convert to fraction form
441,791.48/609,688.14 = 260,420.60/x - Step 3: Cross multiply
441,791.48x = 609,688.14 × 260,420.60 - Step 4: Simplify right side
441,791.48x = 158,775,351,231.68 - Step 5: Solve for x
x = 158,775,351,231.68/441,791.48 - Step 6: Final answer
x = 359,389.80
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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.