Finding the Fourth Proportional to 557,184.05, 768,892.43 and 302,529.41
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Solution
The fourth proportional to 557,184.05, 768,892.43 and 302,529.41 is: 417,478.88
Step by Step Solution
- Step 1: Write the proportion equation
557,184.05 : 768,892.43 = 302,529.41 : x - Step 2: Convert to fraction form
557,184.05/768,892.43 = 302,529.41/x - Step 3: Cross multiply
557,184.05x = 768,892.43 × 302,529.41 - Step 4: Simplify right side
557,184.05x = 232,612,571,688.72 - Step 5: Solve for x
x = 232,612,571,688.72/557,184.05 - Step 6: Final answer
x = 417,478.88
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.