Finding the Fourth Proportional to 437,218.68, 655,729.58 and 285,367.98
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Solution
The fourth proportional to 437,218.68, 655,729.58 and 285,367.98 is: 427,987.72
Step by Step Solution
- Step 1: Write the proportion equation
437,218.68 : 655,729.58 = 285,367.98 : x - Step 2: Convert to fraction form
437,218.68/655,729.58 = 285,367.98/x - Step 3: Cross multiply
437,218.68x = 655,729.58 × 285,367.98 - Step 4: Simplify right side
437,218.68x = 187,124,225,670.85 - Step 5: Solve for x
x = 187,124,225,670.85/437,218.68 - Step 6: Final answer
x = 427,987.72
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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.