Finding the Fourth Proportional to 306,853.98, 423,508.95 and 192,176.07
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Solution
The fourth proportional to 306,853.98, 423,508.95 and 192,176.07 is: 265,234.58
Step by Step Solution
- Step 1: Write the proportion equation
306,853.98 : 423,508.95 = 192,176.07 : x - Step 2: Convert to fraction form
306,853.98/423,508.95 = 192,176.07/x - Step 3: Cross multiply
306,853.98x = 423,508.95 × 192,176.07 - Step 4: Simplify right side
306,853.98x = 81,388,285,620.83 - Step 5: Solve for x
x = 81,388,285,620.83/306,853.98 - Step 6: Final answer
x = 265,234.58
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.