Finding the Fourth Proportional to 202,202.70, 303,109.65 and 157,199.10
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Solution
The fourth proportional to 202,202.70, 303,109.65 and 157,199.10 is: 235,647.52
Step by Step Solution
- Step 1: Write the proportion equation
202,202.70 : 303,109.65 = 157,199.10 : x - Step 2: Convert to fraction form
202,202.70/303,109.65 = 157,199.10/x - Step 3: Cross multiply
202,202.70x = 303,109.65 × 157,199.10 - Step 4: Simplify right side
202,202.70x = 47,648,564,181.32 - Step 5: Solve for x
x = 47,648,564,181.32/202,202.70 - Step 6: Final answer
x = 235,647.52
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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.