Finding the Fourth Proportional to 396,315.63, 594,348.56 and 130,014.09
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Solution
The fourth proportional to 396,315.63, 594,348.56 and 130,014.09 is: 194,980.17
Step by Step Solution
- Step 1: Write the proportion equation
396,315.63 : 594,348.56 = 130,014.09 : x - Step 2: Convert to fraction form
396,315.63/594,348.56 = 130,014.09/x - Step 3: Cross multiply
396,315.63x = 594,348.56 × 130,014.09 - Step 4: Simplify right side
396,315.63x = 77,273,687,171.21 - Step 5: Solve for x
x = 77,273,687,171.21/396,315.63 - Step 6: Final answer
x = 194,980.17
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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.