Finding the Fourth Proportional to 431,964.10, 648,070.50 and 132,488.62
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Solution
The fourth proportional to 431,964.10, 648,070.50 and 132,488.62 is: 198,771.07
Step by Step Solution
- Step 1: Write the proportion equation
431,964.10 : 648,070.50 = 132,488.62 : x - Step 2: Convert to fraction form
431,964.10/648,070.50 = 132,488.62/x - Step 3: Cross multiply
431,964.10x = 648,070.50 × 132,488.62 - Step 4: Simplify right side
431,964.10x = 85,861,966,207.71 - Step 5: Solve for x
x = 85,861,966,207.71/431,964.10 - Step 6: Final answer
x = 198,771.07
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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.