Finding the Fourth Proportional to 490,854.39, 736,297.69 and 135,838.68
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Solution
The fourth proportional to 490,854.39, 736,297.69 and 135,838.68 is: 203,762.48
Step by Step Solution
- Step 1: Write the proportion equation
490,854.39 : 736,297.69 = 135,838.68 : x - Step 2: Convert to fraction form
490,854.39/736,297.69 = 135,838.68/x - Step 3: Cross multiply
490,854.39x = 736,297.69 × 135,838.68 - Step 4: Simplify right side
490,854.39x = 100,017,706,296.65 - Step 5: Solve for x
x = 100,017,706,296.65/490,854.39 - Step 6: Final answer
x = 203,762.48
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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.