Finding the Fourth Proportional to 201,221.40, 301,394.70 and 122,197.80
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Solution
The fourth proportional to 201,221.40, 301,394.70 and 122,197.80 is: 183,031.08
Step by Step Solution
- Step 1: Write the proportion equation
201,221.40 : 301,394.70 = 122,197.80 : x - Step 2: Convert to fraction form
201,221.40/301,394.70 = 122,197.80/x - Step 3: Cross multiply
201,221.40x = 301,394.70 × 122,197.80 - Step 4: Simplify right side
201,221.40x = 36,829,769,271.66 - Step 5: Solve for x
x = 36,829,769,271.66/201,221.40 - Step 6: Final answer
x = 183,031.08
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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.