Finding the Fourth Proportional to 283,220.40, 424,893.10 and 93,739.80
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Solution
The fourth proportional to 283,220.40, 424,893.10 and 93,739.80 is: 140,630.39
Step by Step Solution
- Step 1: Write the proportion equation
283,220.40 : 424,893.10 = 93,739.80 : x - Step 2: Convert to fraction form
283,220.40/424,893.10 = 93,739.80/x - Step 3: Cross multiply
283,220.40x = 424,893.10 × 93,739.80 - Step 4: Simplify right side
283,220.40x = 39,829,394,215.38 - Step 5: Solve for x
x = 39,829,394,215.38/283,220.40 - Step 6: Final answer
x = 140,630.39
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1.5x scale
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.