Finding the Fourth Proportional to 402,486.09, 603,722.99 and 102,964.14
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Solution
The fourth proportional to 402,486.09, 603,722.99 and 102,964.14 is: 154,444.64
Step by Step Solution
- Step 1: Write the proportion equation
402,486.09 : 603,722.99 = 102,964.14 : x - Step 2: Convert to fraction form
402,486.09/603,722.99 = 102,964.14/x - Step 3: Cross multiply
402,486.09x = 603,722.99 × 102,964.14 - Step 4: Simplify right side
402,486.09x = 62,161,818,141.82 - Step 5: Solve for x
x = 62,161,818,141.82/402,486.09 - Step 6: Final answer
x = 154,444.64
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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.