Finding the Fourth Proportional to 438,753.68, 658,130.54 and 106,329.68
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Solution
The fourth proportional to 438,753.68, 658,130.54 and 106,329.68 is: 159,494.52
Step by Step Solution
- Step 1: Write the proportion equation
438,753.68 : 658,130.54 = 106,329.68 : x - Step 2: Convert to fraction form
438,753.68/658,130.54 = 106,329.68/x - Step 3: Cross multiply
438,753.68x = 658,130.54 × 106,329.68 - Step 4: Simplify right side
438,753.68x = 69,978,809,716.43 - Step 5: Solve for x
x = 69,978,809,716.43/438,753.68 - Step 6: Final answer
x = 159,494.52
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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.