Finding the Fourth Proportional to 436,177.72, 654,266.58 and 120,634.63
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Solution
The fourth proportional to 436,177.72, 654,266.58 and 120,634.63 is: 180,951.95
Step by Step Solution
- Step 1: Write the proportion equation
436,177.72 : 654,266.58 = 120,634.63 : x - Step 2: Convert to fraction form
436,177.72/654,266.58 = 120,634.63/x - Step 3: Cross multiply
436,177.72x = 654,266.58 × 120,634.63 - Step 4: Simplify right side
436,177.72x = 78,927,206,799.67 - Step 5: Solve for x
x = 78,927,206,799.67/436,177.72 - Step 6: Final answer
x = 180,951.95
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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.