Finding the Fourth Proportional to 193,241.70, 289,862.55 and 88,265.70
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Solution
The fourth proportional to 193,241.70, 289,862.55 and 88,265.70 is: 132,398.55
Step by Step Solution
- Step 1: Write the proportion equation
193,241.70 : 289,862.55 = 88,265.70 : x - Step 2: Convert to fraction form
193,241.70/289,862.55 = 88,265.70/x - Step 3: Cross multiply
193,241.70x = 289,862.55 × 88,265.70 - Step 4: Simplify right side
193,241.70x = 25,584,920,879.54 - Step 5: Solve for x
x = 25,584,920,879.54/193,241.70 - Step 6: Final answer
x = 132,398.55
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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.