Finding the Fourth Proportional to 393,065.68, 589,105.14 and 168,161.80
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Solution
The fourth proportional to 393,065.68, 589,105.14 and 168,161.80 is: 252,031.62
Step by Step Solution
- Step 1: Write the proportion equation
393,065.68 : 589,105.14 = 168,161.80 : x - Step 2: Convert to fraction form
393,065.68/589,105.14 = 168,161.80/x - Step 3: Cross multiply
393,065.68x = 589,105.14 × 168,161.80 - Step 4: Simplify right side
393,065.68x = 99,064,980,731.65 - Step 5: Solve for x
x = 99,064,980,731.65/393,065.68 - Step 6: Final answer
x = 252,031.62
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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.