Finding the Fourth Proportional to 428,534.53, 591,373.68 and 234,953.00
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Solution
The fourth proportional to 428,534.53, 591,373.68 and 234,953.00 is: 324,232.96
Step by Step Solution
- Step 1: Write the proportion equation
428,534.53 : 591,373.68 = 234,953.00 : x - Step 2: Convert to fraction form
428,534.53/591,373.68 = 234,953.00/x - Step 3: Cross multiply
428,534.53x = 591,373.68 × 234,953.00 - Step 4: Simplify right side
428,534.53x = 138,945,020,183.36 - Step 5: Solve for x
x = 138,945,020,183.36/428,534.53 - Step 6: Final answer
x = 324,232.96
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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.