Finding the Fourth Proportional to 665,604.12, 998,209.08 and 192,293.76
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Solution
The fourth proportional to 665,604.12, 998,209.08 and 192,293.76 is: 288,383.70
Step by Step Solution
- Step 1: Write the proportion equation
665,604.12 : 998,209.08 = 192,293.76 : x - Step 2: Convert to fraction form
665,604.12/998,209.08 = 192,293.76/x - Step 3: Cross multiply
665,604.12x = 998,209.08 × 192,293.76 - Step 4: Simplify right side
665,604.12x = 191,949,377,259.34 - Step 5: Solve for x
x = 191,949,377,259.34/665,604.12 - Step 6: Final answer
x = 288,383.70
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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.