Finding the Fourth Proportional to 312,013.35, 467,595.99 and 131,949.14
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Solution
The fourth proportional to 312,013.35, 467,595.99 and 131,949.14 is: 197,744.38
Step by Step Solution
- Step 1: Write the proportion equation
312,013.35 : 467,595.99 = 131,949.14 : x - Step 2: Convert to fraction form
312,013.35/467,595.99 = 131,949.14/x - Step 3: Cross multiply
312,013.35x = 467,595.99 × 131,949.14 - Step 4: Simplify right side
312,013.35x = 61,698,886,409.97 - Step 5: Solve for x
x = 61,698,886,409.97/312,013.35 - Step 6: Final answer
x = 197,744.38
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1.5x scale
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.