Finding the Fourth Proportional to 201,640.70, 302,461.05 and 131,599.10
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Solution
The fourth proportional to 201,640.70, 302,461.05 and 131,599.10 is: 197,398.65
Step by Step Solution
- Step 1: Write the proportion equation
201,640.70 : 302,461.05 = 131,599.10 : x - Step 2: Convert to fraction form
201,640.70/302,461.05 = 131,599.10/x - Step 3: Cross multiply
201,640.70x = 302,461.05 × 131,599.10 - Step 4: Simplify right side
201,640.70x = 39,803,601,965.06 - Step 5: Solve for x
x = 39,803,601,965.06/201,640.70 - Step 6: Final answer
x = 197,398.65
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1.5x scale
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.