Finding the Fourth Proportional to 458,040.60, 686,738.99 and 201,751.55
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Solution
The fourth proportional to 458,040.60, 686,738.99 and 201,751.55 is: 302,485.52
Step by Step Solution
- Step 1: Write the proportion equation
458,040.60 : 686,738.99 = 201,751.55 : x - Step 2: Convert to fraction form
458,040.60/686,738.99 = 201,751.55/x - Step 3: Cross multiply
458,040.60x = 686,738.99 × 201,751.55 - Step 4: Simplify right side
458,040.60x = 138,550,651,235.48 - Step 5: Solve for x
x = 138,550,651,235.48/458,040.60 - Step 6: Final answer
x = 302,485.52
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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.