Finding the Fourth Proportional to 490,895.76, 736,344.58 and 135,910.82
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Solution
The fourth proportional to 490,895.76, 736,344.58 and 135,910.82 is: 203,866.49
Step by Step Solution
- Step 1: Write the proportion equation
490,895.76 : 736,344.58 = 135,910.82 : x - Step 2: Convert to fraction form
490,895.76/736,344.58 = 135,910.82/x - Step 3: Cross multiply
490,895.76x = 736,344.58 × 135,910.82 - Step 4: Simplify right side
490,895.76x = 100,077,195,670.36 - Step 5: Solve for x
x = 100,077,195,670.36/490,895.76 - Step 6: Final answer
x = 203,866.49
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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.