Finding the Fourth Proportional to 273,189.60, 409,550.68 and 104,830.74
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Solution
The fourth proportional to 273,189.60, 409,550.68 and 104,830.74 is: 157,156.42
Step by Step Solution
- Step 1: Write the proportion equation
273,189.60 : 409,550.68 = 104,830.74 : x - Step 2: Convert to fraction form
273,189.60/409,550.68 = 104,830.74/x - Step 3: Cross multiply
273,189.60x = 409,550.68 × 104,830.74 - Step 4: Simplify right side
273,189.60x = 42,933,500,851.90 - Step 5: Solve for x
x = 42,933,500,851.90/273,189.60 - Step 6: Final answer
x = 157,156.42
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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.