Finding the Fourth Proportional to 396,048.45, 594,072.68 and 129,817.65
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Solution
The fourth proportional to 396,048.45, 594,072.68 and 129,817.65 is: 194,726.48
Step by Step Solution
- Step 1: Write the proportion equation
396,048.45 : 594,072.68 = 129,817.65 : x - Step 2: Convert to fraction form
396,048.45/594,072.68 = 129,817.65/x - Step 3: Cross multiply
396,048.45x = 594,072.68 × 129,817.65 - Step 4: Simplify right side
396,048.45x = 77,121,118,597.71 - Step 5: Solve for x
x = 77,121,118,597.71/396,048.45 - Step 6: Final answer
x = 194,726.48
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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.