Finding the Fourth Proportional to 438,889.13, 658,333.97 and 106,465.13
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Solution
The fourth proportional to 438,889.13, 658,333.97 and 106,465.13 is: 159,697.75
Step by Step Solution
- Step 1: Write the proportion equation
438,889.13 : 658,333.97 = 106,465.13 : x - Step 2: Convert to fraction form
438,889.13/658,333.97 = 106,465.13/x - Step 3: Cross multiply
438,889.13x = 658,333.97 × 106,465.13 - Step 4: Simplify right side
438,889.13x = 70,089,607,875.47 - Step 5: Solve for x
x = 70,089,607,875.47/438,889.13 - Step 6: Final answer
x = 159,697.75
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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.