Finding the Fourth Proportional to 219,724.76, 303,252.49 and 139,159.79
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Solution
The fourth proportional to 219,724.76, 303,252.49 and 139,159.79 is: 192,060.98
Step by Step Solution
- Step 1: Write the proportion equation
219,724.76 : 303,252.49 = 139,159.79 : x - Step 2: Convert to fraction form
219,724.76/303,252.49 = 139,159.79/x - Step 3: Cross multiply
219,724.76x = 303,252.49 × 139,159.79 - Step 4: Simplify right side
219,724.76x = 42,200,552,825.38 - Step 5: Solve for x
x = 42,200,552,825.38/219,724.76 - Step 6: Final answer
x = 192,060.98
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1.5x scale
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.