Finding the Fourth Proportional to 489,336.95, 733,756.35 and 189,903.44
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Solution
The fourth proportional to 489,336.95, 733,756.35 and 189,903.44 is: 284,758.50
Step by Step Solution
- Step 1: Write the proportion equation
489,336.95 : 733,756.35 = 189,903.44 : x - Step 2: Convert to fraction form
489,336.95/733,756.35 = 189,903.44/x - Step 3: Cross multiply
489,336.95x = 733,756.35 × 189,903.44 - Step 4: Simplify right side
489,336.95x = 139,342,854,986.84 - Step 5: Solve for x
x = 139,342,854,986.84/489,336.95 - Step 6: Final answer
x = 284,758.50
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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.