Finding the Fourth Proportional to 512,455.58, 768,604.55 and 170,904.99
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Solution
The fourth proportional to 512,455.58, 768,604.55 and 170,904.99 is: 256,331.20
Step by Step Solution
- Step 1: Write the proportion equation
512,455.58 : 768,604.55 = 170,904.99 : x - Step 2: Convert to fraction form
512,455.58/768,604.55 = 170,904.99/x - Step 3: Cross multiply
512,455.58x = 768,604.55 × 170,904.99 - Step 4: Simplify right side
512,455.58x = 131,358,352,077.18 - Step 5: Solve for x
x = 131,358,352,077.18/512,455.58 - Step 6: Final answer
x = 256,331.20
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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.