Finding the Fourth Proportional to 631,177.26, 947,268.09 and 331,833.66
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Solution
The fourth proportional to 631,177.26, 947,268.09 and 331,833.66 is: 498,014.52
Step by Step Solution
- Step 1: Write the proportion equation
631,177.26 : 947,268.09 = 331,833.66 : x - Step 2: Convert to fraction form
631,177.26/947,268.09 = 331,833.66/x - Step 3: Cross multiply
631,177.26x = 947,268.09 × 331,833.66 - Step 4: Simplify right side
631,177.26x = 314,335,437,305.91 - Step 5: Solve for x
x = 314,335,437,305.91/631,177.26 - Step 6: Final answer
x = 498,014.52
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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.