Finding the Fourth Proportional to 355,624.71, 533,853.81 and 280,795.29
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Solution
The fourth proportional to 355,624.71, 533,853.81 and 280,795.29 is: 421,521.99
Step by Step Solution
- Step 1: Write the proportion equation
355,624.71 : 533,853.81 = 280,795.29 : x - Step 2: Convert to fraction form
355,624.71/533,853.81 = 280,795.29/x - Step 3: Cross multiply
355,624.71x = 533,853.81 × 280,795.29 - Step 4: Simplify right side
355,624.71x = 149,903,635,396.56 - Step 5: Solve for x
x = 149,903,635,396.56/355,624.71 - Step 6: Final answer
x = 421,521.99
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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.