Finding the Fourth Proportional to 131,695.84, 197,553.84 and 56,817.76
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Solution
The fourth proportional to 131,695.84, 197,553.84 and 56,817.76 is: 85,230.99
Step by Step Solution
- Step 1: Write the proportion equation
131,695.84 : 197,553.84 = 56,817.76 : x - Step 2: Convert to fraction form
131,695.84/197,553.84 = 56,817.76/x - Step 3: Cross multiply
131,695.84x = 197,553.84 × 56,817.76 - Step 4: Simplify right side
131,695.84x = 11,224,566,668.20 - Step 5: Solve for x
x = 11,224,566,668.20/131,695.84 - Step 6: Final answer
x = 85,230.99
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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.