Finding the Fourth Proportional to 438,569.87, 605,226.24 and 237,365.87
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Solution
The fourth proportional to 438,569.87, 605,226.24 and 237,365.87 is: 327,564.80
Step by Step Solution
- Step 1: Write the proportion equation
438,569.87 : 605,226.24 = 237,365.87 : x - Step 2: Convert to fraction form
438,569.87/605,226.24 = 237,365.87/x - Step 3: Cross multiply
438,569.87x = 605,226.24 × 237,365.87 - Step 4: Simplify right side
438,569.87x = 143,660,049,978.30 - Step 5: Solve for x
x = 143,660,049,978.30/438,569.87 - Step 6: Final answer
x = 327,564.80
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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.