Finding the Fourth Proportional to 99,533.68, 149,299.58 and 40,355.28
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Solution
The fourth proportional to 99,533.68, 149,299.58 and 40,355.28 is: 60,532.54
Step by Step Solution
- Step 1: Write the proportion equation
99,533.68 : 149,299.58 = 40,355.28 : x - Step 2: Convert to fraction form
99,533.68/149,299.58 = 40,355.28/x - Step 3: Cross multiply
99,533.68x = 149,299.58 × 40,355.28 - Step 4: Simplify right side
99,533.68x = 6,025,026,354.78 - Step 5: Solve for x
x = 6,025,026,354.78/99,533.68 - Step 6: Final answer
x = 60,532.54
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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.