Finding the Fourth Proportional to 396,021.36, 594,088.68 and 122,488.65
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Solution
The fourth proportional to 396,021.36, 594,088.68 and 122,488.65 is: 183,750.49
Step by Step Solution
- Step 1: Write the proportion equation
396,021.36 : 594,088.68 = 122,488.65 : x - Step 2: Convert to fraction form
396,021.36/594,088.68 = 122,488.65/x - Step 3: Cross multiply
396,021.36x = 594,088.68 × 122,488.65 - Step 4: Simplify right side
396,021.36x = 72,769,120,393.48 - Step 5: Solve for x
x = 72,769,120,393.48/396,021.36 - Step 6: Final answer
x = 183,750.49
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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.