Finding the Fourth Proportional to 474,121.68, 654,090.84 and 310,733.52
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Solution
The fourth proportional to 474,121.68, 654,090.84 and 310,733.52 is: 428,683.09
Step by Step Solution
- Step 1: Write the proportion equation
474,121.68 : 654,090.84 = 310,733.52 : x - Step 2: Convert to fraction form
474,121.68/654,090.84 = 310,733.52/x - Step 3: Cross multiply
474,121.68x = 654,090.84 × 310,733.52 - Step 4: Simplify right side
474,121.68x = 203,247,949,112.96 - Step 5: Solve for x
x = 203,247,949,112.96/474,121.68 - Step 6: Final answer
x = 428,683.09
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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.