Finding the Fourth Proportional to 245,356.11, 368,005.68 and 67,876.96
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Solution
The fourth proportional to 245,356.11, 368,005.68 and 67,876.96 is: 101,807.56
Step by Step Solution
- Step 1: Write the proportion equation
245,356.11 : 368,005.68 = 67,876.96 : x - Step 2: Convert to fraction form
245,356.11/368,005.68 = 67,876.96/x - Step 3: Cross multiply
245,356.11x = 368,005.68 × 67,876.96 - Step 4: Simplify right side
245,356.11x = 24,979,106,821.13 - Step 5: Solve for x
x = 24,979,106,821.13/245,356.11 - Step 6: Final answer
x = 101,807.56
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.