Finding the Fourth Proportional to 272,790.08, 376,438.56 and 197,207.36
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Solution
The fourth proportional to 272,790.08, 376,438.56 and 197,207.36 is: 272,137.66
Step by Step Solution
- Step 1: Write the proportion equation
272,790.08 : 376,438.56 = 197,207.36 : x - Step 2: Convert to fraction form
272,790.08/376,438.56 = 197,207.36/x - Step 3: Cross multiply
272,790.08x = 376,438.56 × 197,207.36 - Step 4: Simplify right side
272,790.08x = 74,236,454,619.80 - Step 5: Solve for x
x = 74,236,454,619.80/272,790.08 - Step 6: Final answer
x = 272,137.66
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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.