Finding the Fourth Proportional to 392,717.08, 589,063.86 and 108,424.99
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Solution
The fourth proportional to 392,717.08, 589,063.86 and 108,424.99 is: 162,634.23
Step by Step Solution
- Step 1: Write the proportion equation
392,717.08 : 589,063.86 = 108,424.99 : x - Step 2: Convert to fraction form
392,717.08/589,063.86 = 108,424.99/x - Step 3: Cross multiply
392,717.08x = 589,063.86 × 108,424.99 - Step 4: Simplify right side
392,717.08x = 63,869,240,509.47 - Step 5: Solve for x
x = 63,869,240,509.47/392,717.08 - Step 6: Final answer
x = 162,634.23
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.