Finding the Fourth Proportional to 154,878.08, 232,230.72 and 75,822.08
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Solution
The fourth proportional to 154,878.08, 232,230.72 and 75,822.08 is: 113,690.82
Step by Step Solution
- Step 1: Write the proportion equation
154,878.08 : 232,230.72 = 75,822.08 : x - Step 2: Convert to fraction form
154,878.08/232,230.72 = 75,822.08/x - Step 3: Cross multiply
154,878.08x = 232,230.72 × 75,822.08 - Step 4: Simplify right side
154,878.08x = 17,608,216,230.30 - Step 5: Solve for x
x = 17,608,216,230.30/154,878.08 - Step 6: Final answer
x = 113,690.82
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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.