Finding the Fourth Proportional to 436,274.01, 654,391.98 and 136,747.75
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Solution
The fourth proportional to 436,274.01, 654,391.98 and 136,747.75 is: 205,115.66
Step by Step Solution
- Step 1: Write the proportion equation
436,274.01 : 654,391.98 = 136,747.75 : x - Step 2: Convert to fraction form
436,274.01/654,391.98 = 136,747.75/x - Step 3: Cross multiply
436,274.01x = 654,391.98 × 136,747.75 - Step 4: Simplify right side
436,274.01x = 89,486,630,199.31 - Step 5: Solve for x
x = 89,486,630,199.31/436,274.01 - Step 6: Final answer
x = 205,115.66
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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.