Finding the Fourth Proportional to 490,232.76, 735,391.50 and 135,246.78
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Solution
The fourth proportional to 490,232.76, 735,391.50 and 135,246.78 is: 202,881.85
Step by Step Solution
- Step 1: Write the proportion equation
490,232.76 : 735,391.50 = 135,246.78 : x - Step 2: Convert to fraction form
490,232.76/735,391.50 = 135,246.78/x - Step 3: Cross multiply
490,232.76x = 735,391.50 × 135,246.78 - Step 4: Simplify right side
490,232.76x = 99,459,330,237.77 - Step 5: Solve for x
x = 99,459,330,237.77/490,232.76 - Step 6: Final answer
x = 202,881.85
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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.