Finding the Fourth Proportional to 291,263.77, 436,749.57 and 169,723.68
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Solution
The fourth proportional to 291,263.77, 436,749.57 and 169,723.68 is: 254,500.39
Step by Step Solution
- Step 1: Write the proportion equation
291,263.77 : 436,749.57 = 169,723.68 : x - Step 2: Convert to fraction form
291,263.77/436,749.57 = 169,723.68/x - Step 3: Cross multiply
291,263.77x = 436,749.57 × 169,723.68 - Step 4: Simplify right side
291,263.77x = 74,126,743,849.36 - Step 5: Solve for x
x = 74,126,743,849.36/291,263.77 - Step 6: Final answer
x = 254,500.39
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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.