Finding the Fourth Proportional to 230,946.90, 346,535.55 and 131,183.70
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Solution
The fourth proportional to 230,946.90, 346,535.55 and 131,183.70 is: 196,840.99
Step by Step Solution
- Step 1: Write the proportion equation
230,946.90 : 346,535.55 = 131,183.70 : x - Step 2: Convert to fraction form
230,946.90/346,535.55 = 131,183.70/x - Step 3: Cross multiply
230,946.90x = 346,535.55 × 131,183.70 - Step 4: Simplify right side
230,946.90x = 45,459,815,630.54 - Step 5: Solve for x
x = 45,459,815,630.54/230,946.90 - Step 6: Final answer
x = 196,840.99
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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.