Finding the Fourth Proportional to 377,378.24, 520,785.35 and 205,299.96
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Solution
The fourth proportional to 377,378.24, 520,785.35 and 205,299.96 is: 283,315.78
Step by Step Solution
- Step 1: Write the proportion equation
377,378.24 : 520,785.35 = 205,299.96 : x - Step 2: Convert to fraction form
377,378.24/520,785.35 = 205,299.96/x - Step 3: Cross multiply
377,378.24x = 520,785.35 × 205,299.96 - Step 4: Simplify right side
377,378.24x = 106,917,210,497.09 - Step 5: Solve for x
x = 106,917,210,497.09/377,378.24 - Step 6: Final answer
x = 283,315.78
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.