Finding the Fourth Proportional to 135,009.99, 202,533.21 and 49,609.46
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Solution
The fourth proportional to 135,009.99, 202,533.21 and 49,609.46 is: 74,420.89
Step by Step Solution
- Step 1: Write the proportion equation
135,009.99 : 202,533.21 = 49,609.46 : x - Step 2: Convert to fraction form
135,009.99/202,533.21 = 49,609.46/x - Step 3: Cross multiply
135,009.99x = 202,533.21 × 49,609.46 - Step 4: Simplify right side
135,009.99x = 10,047,563,686.50 - Step 5: Solve for x
x = 10,047,563,686.50/135,009.99 - Step 6: Final answer
x = 74,420.89
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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.