Finding the Fourth Proportional to 753,433.20, 1,130,149.80 and 192,467.70
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Solution
The fourth proportional to 753,433.20, 1,130,149.80 and 192,467.70 is: 288,701.55
Step by Step Solution
- Step 1: Write the proportion equation
753,433.20 : 1,130,149.80 = 192,467.70 : x - Step 2: Convert to fraction form
753,433.20/1,130,149.80 = 192,467.70/x - Step 3: Cross multiply
753,433.20x = 1,130,149.80 × 192,467.70 - Step 4: Simplify right side
753,433.20x = 217,517,332,661.46 - Step 5: Solve for x
x = 217,517,332,661.46/753,433.20 - Step 6: Final answer
x = 288,701.55
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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.