Finding the Fourth Proportional to 131,541.77, 197,279.85 and 51,595.99
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Solution
The fourth proportional to 131,541.77, 197,279.85 and 51,595.99 is: 77,381.11
Step by Step Solution
- Step 1: Write the proportion equation
131,541.77 : 197,279.85 = 51,595.99 : x - Step 2: Convert to fraction form
131,541.77/197,279.85 = 51,595.99/x - Step 3: Cross multiply
131,541.77x = 197,279.85 × 51,595.99 - Step 4: Simplify right side
131,541.77x = 10,178,848,868.09 - Step 5: Solve for x
x = 10,178,848,868.09/131,541.77 - Step 6: Final answer
x = 77,381.11
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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.