Finding the Fourth Proportional to 336,134.12, 504,199.74 and 99,478.28
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Solution
The fourth proportional to 336,134.12, 504,199.74 and 99,478.28 is: 149,216.99
Step by Step Solution
- Step 1: Write the proportion equation
336,134.12 : 504,199.74 = 99,478.28 : x - Step 2: Convert to fraction form
336,134.12/504,199.74 = 99,478.28/x - Step 3: Cross multiply
336,134.12x = 504,199.74 × 99,478.28 - Step 4: Simplify right side
336,134.12x = 50,156,922,911.65 - Step 5: Solve for x
x = 50,156,922,911.65/336,134.12 - Step 6: Final answer
x = 149,216.99
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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.