Finding the Fourth Proportional to 623,715.57, 935,576.42 and 174,438.09
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Solution
The fourth proportional to 623,715.57, 935,576.42 and 174,438.09 is: 261,657.99
Step by Step Solution
- Step 1: Write the proportion equation
623,715.57 : 935,576.42 = 174,438.09 : x - Step 2: Convert to fraction form
623,715.57/935,576.42 = 174,438.09/x - Step 3: Cross multiply
623,715.57x = 935,576.42 × 174,438.09 - Step 4: Simplify right side
623,715.57x = 163,200,162,881.65 - Step 5: Solve for x
x = 163,200,162,881.65/623,715.57 - Step 6: Final answer
x = 261,657.99
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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.