Finding the Fourth Proportional to 201,675,287.70, 302,512,931.55 and 197,196,311.70
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Solution
The fourth proportional to 201,675,287.70, 302,512,931.55 and 197,196,311.70 is: 295,794,467.55
Step by Step Solution
- Step 1: Write the proportion equation
201,675,287.70 : 302,512,931.55 = 197,196,311.70 : x - Step 2: Convert to fraction form
201,675,287.70/302,512,931.55 = 197,196,311.70/x - Step 3: Cross multiply
201,675,287.70x = 302,512,931.55 × 197,196,311.70 - Step 4: Simplify right side
201,675,287.70x = 59,654,434,343,214,560 - Step 5: Solve for x
x = 59,654,434,343,214,560/201,675,287.70 - Step 6: Final answer
x = 295,794,467.55
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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.