Finding the Fourth Proportional to 428,512.68, 591,285.42 and 237,526.02
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Solution
The fourth proportional to 428,512.68, 591,285.42 and 237,526.02 is: 327,751.50
Step by Step Solution
- Step 1: Write the proportion equation
428,512.68 : 591,285.42 = 237,526.02 : x - Step 2: Convert to fraction form
428,512.68/591,285.42 = 237,526.02/x - Step 3: Cross multiply
428,512.68x = 591,285.42 × 237,526.02 - Step 4: Simplify right side
428,512.68x = 140,445,672,496.63 - Step 5: Solve for x
x = 140,445,672,496.63/428,512.68 - Step 6: Final answer
x = 327,751.50
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.