Finding the Fourth Proportional to 201,720.10, 302,580.15 and 186,513.70
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Solution
The fourth proportional to 201,720.10, 302,580.15 and 186,513.70 is: 279,770.55
Step by Step Solution
- Step 1: Write the proportion equation
201,720.10 : 302,580.15 = 186,513.70 : x - Step 2: Convert to fraction form
201,720.10/302,580.15 = 186,513.70/x - Step 3: Cross multiply
201,720.10x = 302,580.15 × 186,513.70 - Step 4: Simplify right side
201,720.10x = 56,435,343,323.06 - Step 5: Solve for x
x = 56,435,343,323.06/201,720.10 - Step 6: Final answer
x = 279,770.55
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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.