Finding the Fourth Proportional to 512,212.40, 768,901.80 and 301,968.80
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Solution
The fourth proportional to 512,212.40, 768,901.80 and 301,968.80 is: 453,297.02
Step by Step Solution
- Step 1: Write the proportion equation
512,212.40 : 768,901.80 = 301,968.80 : x - Step 2: Convert to fraction form
512,212.40/768,901.80 = 301,968.80/x - Step 3: Cross multiply
512,212.40x = 768,901.80 × 301,968.80 - Step 4: Simplify right side
512,212.40x = 232,184,353,863.84 - Step 5: Solve for x
x = 232,184,353,863.84/512,212.40 - Step 6: Final answer
x = 453,297.02
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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.