Finding the Fourth Proportional to 201,908.10, 302,862.15 and 186,701.70
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Solution
The fourth proportional to 201,908.10, 302,862.15 and 186,701.70 is: 280,052.55
Step by Step Solution
- Step 1: Write the proportion equation
201,908.10 : 302,862.15 = 186,701.70 : x - Step 2: Convert to fraction form
201,908.10/302,862.15 = 186,701.70/x - Step 3: Cross multiply
201,908.10x = 302,862.15 × 186,701.70 - Step 4: Simplify right side
201,908.10x = 56,544,878,270.66 - Step 5: Solve for x
x = 56,544,878,270.66/201,908.10 - Step 6: Final answer
x = 280,052.55
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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.