Finding the Fourth Proportional to 302,197,906.20, 453,296,859.30 and 236,440,939.80
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Solution
The fourth proportional to 302,197,906.20, 453,296,859.30 and 236,440,939.80 is: 354,661,409.70
Step by Step Solution
- Step 1: Write the proportion equation
302,197,906.20 : 453,296,859.30 = 236,440,939.80 : x - Step 2: Convert to fraction form
302,197,906.20/453,296,859.30 = 236,440,939.80/x - Step 3: Cross multiply
302,197,906.20x = 453,296,859.30 × 236,440,939.80 - Step 4: Simplify right side
302,197,906.20x = 107,177,935,421,280,384 - Step 5: Solve for x
x = 107,177,935,421,280,384/302,197,906.20 - Step 6: Final answer
x = 354,661,409.70
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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.