Finding the Fourth Proportional to 299,497.21, 413,257.36 and 176,972.54
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Solution
The fourth proportional to 299,497.21, 413,257.36 and 176,972.54 is: 244,193.28
Step by Step Solution
- Step 1: Write the proportion equation
299,497.21 : 413,257.36 = 176,972.54 : x - Step 2: Convert to fraction form
299,497.21/413,257.36 = 176,972.54/x - Step 3: Cross multiply
299,497.21x = 413,257.36 × 176,972.54 - Step 4: Simplify right side
299,497.21x = 73,135,204,672.89 - Step 5: Solve for x
x = 73,135,204,672.89/299,497.21 - Step 6: Final answer
x = 244,193.28
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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.