Finding the Fourth Proportional to 642,283.02, 963,446.40 and 305,149.68
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Solution
The fourth proportional to 642,283.02, 963,446.40 and 305,149.68 is: 457,734.91
Step by Step Solution
- Step 1: Write the proportion equation
642,283.02 : 963,446.40 = 305,149.68 : x - Step 2: Convert to fraction form
642,283.02/963,446.40 = 305,149.68/x - Step 3: Cross multiply
642,283.02x = 963,446.40 × 305,149.68 - Step 4: Simplify right side
642,283.02x = 293,995,360,657.15 - Step 5: Solve for x
x = 293,995,360,657.15/642,283.02 - Step 6: Final answer
x = 457,734.91
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.