Finding the Fourth Proportional to 436,323.96, 654,486.84 and 120,781.80
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Solution
The fourth proportional to 436,323.96, 654,486.84 and 120,781.80 is: 181,172.95
Step by Step Solution
- Step 1: Write the proportion equation
436,323.96 : 654,486.84 = 120,781.80 : x - Step 2: Convert to fraction form
436,323.96/654,486.84 = 120,781.80/x - Step 3: Cross multiply
436,323.96x = 654,486.84 × 120,781.80 - Step 4: Simplify right side
436,323.96x = 79,050,098,611.51 - Step 5: Solve for x
x = 79,050,098,611.51/436,323.96 - Step 6: Final answer
x = 181,172.95
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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.