Finding the Fourth Proportional to 177,199.70, 265,799.55 and 83,887.70
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Solution
The fourth proportional to 177,199.70, 265,799.55 and 83,887.70 is: 125,831.55
Step by Step Solution
- Step 1: Write the proportion equation
177,199.70 : 265,799.55 = 83,887.70 : x - Step 2: Convert to fraction form
177,199.70/265,799.55 = 83,887.70/x - Step 3: Cross multiply
177,199.70x = 265,799.55 × 83,887.70 - Step 4: Simplify right side
177,199.70x = 22,297,312,910.54 - Step 5: Solve for x
x = 22,297,312,910.54/177,199.70 - Step 6: Final answer
x = 125,831.55
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Similar ratio
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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.