Finding the Fourth Proportional to 512,468.08, 768,623.33 and 170,917.51
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Solution
The fourth proportional to 512,468.08, 768,623.33 and 170,917.51 is: 256,349.99
Step by Step Solution
- Step 1: Write the proportion equation
512,468.08 : 768,623.33 = 170,917.51 : x - Step 2: Convert to fraction form
512,468.08/768,623.33 = 170,917.51/x - Step 3: Cross multiply
512,468.08x = 768,623.33 × 170,917.51 - Step 4: Simplify right side
512,468.08x = 131,371,184,836.92 - Step 5: Solve for x
x = 131,371,184,836.92/512,468.08 - Step 6: Final answer
x = 256,349.99
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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.