Finding the Fourth Proportional to 512,132.63, 768,199.14 and 175,176.54
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Solution
The fourth proportional to 512,132.63, 768,199.14 and 175,176.54 is: 262,764.88
Step by Step Solution
- Step 1: Write the proportion equation
512,132.63 : 768,199.14 = 175,176.54 : x - Step 2: Convert to fraction form
512,132.63/768,199.14 = 175,176.54/x - Step 3: Cross multiply
512,132.63x = 768,199.14 × 175,176.54 - Step 4: Simplify right side
512,132.63x = 134,570,467,376.18 - Step 5: Solve for x
x = 134,570,467,376.18/512,132.63 - Step 6: Final answer
x = 262,764.88
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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.