Finding the Fourth Proportional to 286,736.24, 430,191.84 and 146,593.28
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Solution
The fourth proportional to 286,736.24, 430,191.84 and 146,593.28 is: 219,934.65
Step by Step Solution
- Step 1: Write the proportion equation
286,736.24 : 430,191.84 = 146,593.28 : x - Step 2: Convert to fraction form
286,736.24/430,191.84 = 146,593.28/x - Step 3: Cross multiply
286,736.24x = 430,191.84 × 146,593.28 - Step 4: Simplify right side
286,736.24x = 63,063,234,480.04 - Step 5: Solve for x
x = 63,063,234,480.04/286,736.24 - Step 6: Final answer
x = 219,934.65
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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.