Finding the Fourth Proportional to 294,690.94, 406,722.24 and 173,861.76
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Solution
The fourth proportional to 294,690.94, 406,722.24 and 173,861.76 is: 239,957.99
Step by Step Solution
- Step 1: Write the proportion equation
294,690.94 : 406,722.24 = 173,861.76 : x - Step 2: Convert to fraction form
294,690.94/406,722.24 = 173,861.76/x - Step 3: Cross multiply
294,690.94x = 406,722.24 × 173,861.76 - Step 4: Simplify right side
294,690.94x = 70,713,444,477.54 - Step 5: Solve for x
x = 70,713,444,477.54/294,690.94 - Step 6: Final answer
x = 239,957.99
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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.