Finding the Fourth Proportional to 201,641.20, 302,461.80 and 141,506.80
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Solution
The fourth proportional to 201,641.20, 302,461.80 and 141,506.80 is: 212,260.20
Step by Step Solution
- Step 1: Write the proportion equation
201,641.20 : 302,461.80 = 141,506.80 : x - Step 2: Convert to fraction form
201,641.20/302,461.80 = 141,506.80/x - Step 3: Cross multiply
201,641.20x = 302,461.80 × 141,506.80 - Step 4: Simplify right side
201,641.20x = 42,800,401,440.24 - Step 5: Solve for x
x = 42,800,401,440.24/201,641.20 - Step 6: Final answer
x = 212,260.20
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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.