Finding the Fourth Proportional to 462,861.80, 694,292.70 and 130,437.80
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Solution
The fourth proportional to 462,861.80, 694,292.70 and 130,437.80 is: 195,656.70
Step by Step Solution
- Step 1: Write the proportion equation
462,861.80 : 694,292.70 = 130,437.80 : x - Step 2: Convert to fraction form
462,861.80/694,292.70 = 130,437.80/x - Step 3: Cross multiply
462,861.80x = 694,292.70 × 130,437.80 - Step 4: Simplify right side
462,861.80x = 90,562,012,344.06 - Step 5: Solve for x
x = 90,562,012,344.06/462,861.80 - Step 6: Final answer
x = 195,656.70
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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.