Finding the Fourth Proportional to 437,224.68, 655,738.60 and 285,373.96
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Solution
The fourth proportional to 437,224.68, 655,738.60 and 285,373.96 is: 427,996.70
Step by Step Solution
- Step 1: Write the proportion equation
437,224.68 : 655,738.60 = 285,373.96 : x - Step 2: Convert to fraction form
437,224.68/655,738.60 = 285,373.96/x - Step 3: Cross multiply
437,224.68x = 655,738.60 × 285,373.96 - Step 4: Simplify right side
437,224.68x = 187,130,721,006.86 - Step 5: Solve for x
x = 187,130,721,006.86/437,224.68 - Step 6: Final answer
x = 427,996.70
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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.