Finding the Fourth Proportional to 162,171.81, 243,257.70 and 83,235.69
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Solution
The fourth proportional to 162,171.81, 243,257.70 and 83,235.69 is: 124,853.53
Step by Step Solution
- Step 1: Write the proportion equation
162,171.81 : 243,257.70 = 83,235.69 : x - Step 2: Convert to fraction form
162,171.81/243,257.70 = 83,235.69/x - Step 3: Cross multiply
162,171.81x = 243,257.70 × 83,235.69 - Step 4: Simplify right side
162,171.81x = 20,247,722,507.31 - Step 5: Solve for x
x = 20,247,722,507.31/162,171.81 - Step 6: Final answer
x = 124,853.53
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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.