Finding the Fourth Proportional to 278,462.41, 417,754.33 and 158,576.00
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Solution
The fourth proportional to 278,462.41, 417,754.33 and 158,576.00 is: 237,898.57
Step by Step Solution
- Step 1: Write the proportion equation
278,462.41 : 417,754.33 = 158,576.00 : x - Step 2: Convert to fraction form
278,462.41/417,754.33 = 158,576.00/x - Step 3: Cross multiply
278,462.41x = 417,754.33 × 158,576.00 - Step 4: Simplify right side
278,462.41x = 66,245,808,148.87 - Step 5: Solve for x
x = 66,245,808,148.87/278,462.41 - Step 6: Final answer
x = 237,898.57
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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.