Finding the Fourth Proportional to 199,854.75, 275,799.60 and 110,430.75
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Solution
The fourth proportional to 199,854.75, 275,799.60 and 110,430.75 is: 152,394.46
Step by Step Solution
- Step 1: Write the proportion equation
199,854.75 : 275,799.60 = 110,430.75 : x - Step 2: Convert to fraction form
199,854.75/275,799.60 = 110,430.75/x - Step 3: Cross multiply
199,854.75x = 275,799.60 × 110,430.75 - Step 4: Simplify right side
199,854.75x = 30,456,756,677.70 - Step 5: Solve for x
x = 30,456,756,677.70/199,854.75 - Step 6: Final answer
x = 152,394.46
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.