Finding the Fourth Proportional to 189,776.58, 284,655.12 and 56,657.94
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Solution
The fourth proportional to 189,776.58, 284,655.12 and 56,657.94 is: 84,984.00
Step by Step Solution
- Step 1: Write the proportion equation
189,776.58 : 284,655.12 = 56,657.94 : x - Step 2: Convert to fraction form
189,776.58/284,655.12 = 56,657.94/x - Step 3: Cross multiply
189,776.58x = 284,655.12 × 56,657.94 - Step 4: Simplify right side
189,776.58x = 16,127,972,709.65 - Step 5: Solve for x
x = 16,127,972,709.65/189,776.58 - Step 6: Final answer
x = 84,984.00
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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.