Finding the Fourth Proportional to 436,480.55, 654,748.50 and 136,972.96
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Solution
The fourth proportional to 436,480.55, 654,748.50 and 136,972.96 is: 205,468.12
Step by Step Solution
- Step 1: Write the proportion equation
436,480.55 : 654,748.50 = 136,972.96 : x - Step 2: Convert to fraction form
436,480.55/654,748.50 = 136,972.96/x - Step 3: Cross multiply
436,480.55x = 654,748.50 × 136,972.96 - Step 4: Simplify right side
436,480.55x = 89,682,838,463.69 - Step 5: Solve for x
x = 89,682,838,463.69/436,480.55 - Step 6: Final answer
x = 205,468.12
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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.