Finding the Fourth Proportional to 305,226.08, 457,829.40 and 80,579.60
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Solution
The fourth proportional to 305,226.08, 457,829.40 and 80,579.60 is: 120,866.83
Step by Step Solution
- Step 1: Write the proportion equation
305,226.08 : 457,829.40 = 80,579.60 : x - Step 2: Convert to fraction form
305,226.08/457,829.40 = 80,579.60/x - Step 3: Cross multiply
305,226.08x = 457,829.40 × 80,579.60 - Step 4: Simplify right side
305,226.08x = 36,891,709,920.24 - Step 5: Solve for x
x = 36,891,709,920.24/305,226.08 - Step 6: Final answer
x = 120,866.83
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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.