Finding the Fourth Proportional to 512,396.21, 768,079.95 and 175,206.27
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Solution
The fourth proportional to 512,396.21, 768,079.95 and 175,206.27 is: 262,633.53
Step by Step Solution
- Step 1: Write the proportion equation
512,396.21 : 768,079.95 = 175,206.27 : x - Step 2: Convert to fraction form
512,396.21/768,079.95 = 175,206.27/x - Step 3: Cross multiply
512,396.21x = 768,079.95 × 175,206.27 - Step 4: Simplify right side
512,396.21x = 134,572,426,310.10 - Step 5: Solve for x
x = 134,572,426,310.10/512,396.21 - Step 6: Final answer
x = 262,633.53
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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.