Finding the Fourth Proportional to 299,493.40, 413,252.09 and 176,968.72
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Solution
The fourth proportional to 299,493.40, 413,252.09 and 176,968.72 is: 244,187.99
Step by Step Solution
- Step 1: Write the proportion equation
299,493.40 : 413,252.09 = 176,968.72 : x - Step 2: Convert to fraction form
299,493.40/413,252.09 = 176,968.72/x - Step 3: Cross multiply
299,493.40x = 413,252.09 × 176,968.72 - Step 4: Simplify right side
299,493.40x = 73,132,692,370.89 - Step 5: Solve for x
x = 73,132,692,370.89/299,493.40 - Step 6: Final answer
x = 244,187.99
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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.