Finding the Fourth Proportional to 413,239.64, 619,576.44 and 210,443.19
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Solution
The fourth proportional to 413,239.64, 619,576.44 and 210,443.19 is: 315,520.66
Step by Step Solution
- Step 1: Write the proportion equation
413,239.64 : 619,576.44 = 210,443.19 : x - Step 2: Convert to fraction form
413,239.64/619,576.44 = 210,443.19/x - Step 3: Cross multiply
413,239.64x = 619,576.44 × 210,443.19 - Step 4: Simplify right side
413,239.64x = 130,385,642,482.44 - Step 5: Solve for x
x = 130,385,642,482.44/413,239.64 - Step 6: Final answer
x = 315,520.66
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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.