Finding the Fourth Proportional to 490,744.48, 736,116.84 and 153,785.08
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Solution
The fourth proportional to 490,744.48, 736,116.84 and 153,785.08 is: 230,677.66
Step by Step Solution
- Step 1: Write the proportion equation
490,744.48 : 736,116.84 = 153,785.08 : x - Step 2: Convert to fraction form
490,744.48/736,116.84 = 153,785.08/x - Step 3: Cross multiply
490,744.48x = 736,116.84 × 153,785.08 - Step 4: Simplify right side
490,744.48x = 113,203,787,128.75 - Step 5: Solve for x
x = 113,203,787,128.75/490,744.48 - Step 6: Final answer
x = 230,677.66
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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.