Finding the Fourth Proportional to 189,228.84, 283,896.72 and 56,108.76
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Solution
The fourth proportional to 189,228.84, 283,896.72 and 56,108.76 is: 84,178.99
Step by Step Solution
- Step 1: Write the proportion equation
189,228.84 : 283,896.72 = 56,108.76 : x - Step 2: Convert to fraction form
189,228.84/283,896.72 = 56,108.76/x - Step 3: Cross multiply
189,228.84x = 283,896.72 × 56,108.76 - Step 4: Simplify right side
189,228.84x = 15,929,092,927.27 - Step 5: Solve for x
x = 15,929,092,927.27/189,228.84 - Step 6: Final answer
x = 84,178.99
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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.