Finding the Fourth Proportional to 223,478.10, 335,217.15 and 83,207.70
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Solution
The fourth proportional to 223,478.10, 335,217.15 and 83,207.70 is: 124,811.55
Step by Step Solution
- Step 1: Write the proportion equation
223,478.10 : 335,217.15 = 83,207.70 : x - Step 2: Convert to fraction form
223,478.10/335,217.15 = 83,207.70/x - Step 3: Cross multiply
223,478.10x = 335,217.15 × 83,207.70 - Step 4: Simplify right side
223,478.10x = 27,892,648,052.06 - Step 5: Solve for x
x = 27,892,648,052.06/223,478.10 - Step 6: Final answer
x = 124,811.55
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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.