Finding the Fourth Proportional to 189,615.84, 284,464.81 and 56,506.82
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Solution
The fourth proportional to 189,615.84, 284,464.81 and 56,506.82 is: 84,772.46
Step by Step Solution
- Step 1: Write the proportion equation
189,615.84 : 284,464.81 = 56,506.82 : x - Step 2: Convert to fraction form
189,615.84/284,464.81 = 56,506.82/x - Step 3: Cross multiply
189,615.84x = 284,464.81 × 56,506.82 - Step 4: Simplify right side
189,615.84x = 16,074,200,463.31 - Step 5: Solve for x
x = 16,074,200,463.31/189,615.84 - Step 6: Final answer
x = 84,772.46
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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.