Finding the Fourth Proportional to 189,432.81, 284,195.99 and 56,312.49
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Solution
The fourth proportional to 189,432.81, 284,195.99 and 56,312.49 is: 84,482.64
Step by Step Solution
- Step 1: Write the proportion equation
189,432.81 : 284,195.99 = 56,312.49 : x - Step 2: Convert to fraction form
189,432.81/284,195.99 = 56,312.49/x - Step 3: Cross multiply
189,432.81x = 284,195.99 × 56,312.49 - Step 4: Simplify right side
189,432.81x = 16,003,783,563.35 - Step 5: Solve for x
x = 16,003,783,563.35/189,432.81 - Step 6: Final answer
x = 84,482.64
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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.