Finding the Fourth Proportional to 490,857.96, 736,287.95 and 135,873.03
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Solution
The fourth proportional to 490,857.96, 736,287.95 and 135,873.03 is: 203,809.82
Step by Step Solution
- Step 1: Write the proportion equation
490,857.96 : 736,287.95 = 135,873.03 : x - Step 2: Convert to fraction form
490,857.96/736,287.95 = 135,873.03/x - Step 3: Cross multiply
490,857.96x = 736,287.95 × 135,873.03 - Step 4: Simplify right side
490,857.96x = 100,041,670,358.18 - Step 5: Solve for x
x = 100,041,670,358.18/490,857.96 - Step 6: Final answer
x = 203,809.82
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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.