Finding the Fourth Proportional to 99,477.28, 149,169.12 and 40,267.88
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Solution
The fourth proportional to 99,477.28, 149,169.12 and 40,267.88 is: 60,382.88
Step by Step Solution
- Step 1: Write the proportion equation
99,477.28 : 149,169.12 = 40,267.88 : x - Step 2: Convert to fraction form
99,477.28/149,169.12 = 40,267.88/x - Step 3: Cross multiply
99,477.28x = 149,169.12 × 40,267.88 - Step 4: Simplify right side
99,477.28x = 6,006,724,223.87 - Step 5: Solve for x
x = 6,006,724,223.87/99,477.28 - Step 6: Final answer
x = 60,382.88
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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.