Finding the Fourth Proportional to 283,640.10, 424,898.55 and 183,869.70
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Solution
The fourth proportional to 283,640.10, 424,898.55 and 183,869.70 is: 275,440.49
Step by Step Solution
- Step 1: Write the proportion equation
283,640.10 : 424,898.55 = 183,869.70 : x - Step 2: Convert to fraction form
283,640.10/424,898.55 = 183,869.70/x - Step 3: Cross multiply
283,640.10x = 424,898.55 × 183,869.70 - Step 4: Simplify right side
283,640.10x = 78,125,968,918.94 - Step 5: Solve for x
x = 78,125,968,918.94/283,640.10 - Step 6: Final answer
x = 275,440.49
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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.