Finding the Fourth Proportional to 458,048.85, 686,751.36 and 201,759.81
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Solution
The fourth proportional to 458,048.85, 686,751.36 and 201,759.81 is: 302,497.92
Step by Step Solution
- Step 1: Write the proportion equation
458,048.85 : 686,751.36 = 201,759.81 : x - Step 2: Convert to fraction form
458,048.85/686,751.36 = 201,759.81/x - Step 3: Cross multiply
458,048.85x = 686,751.36 × 201,759.81 - Step 4: Simplify right side
458,048.85x = 138,558,823,910.84 - Step 5: Solve for x
x = 138,558,823,910.84/458,048.85 - Step 6: Final answer
x = 302,497.92
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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.