Finding the Fourth Proportional to 162,801.70, 244,202.55 and 120,811.30
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Solution
The fourth proportional to 162,801.70, 244,202.55 and 120,811.30 is: 181,216.95
Step by Step Solution
- Step 1: Write the proportion equation
162,801.70 : 244,202.55 = 120,811.30 : x - Step 2: Convert to fraction form
162,801.70/244,202.55 = 120,811.30/x - Step 3: Cross multiply
162,801.70x = 244,202.55 × 120,811.30 - Step 4: Simplify right side
162,801.70x = 29,502,427,528.82 - Step 5: Solve for x
x = 29,502,427,528.82/162,801.70 - Step 6: Final answer
x = 181,216.95
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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.