Finding the Fourth Proportional to 508,717.32, 763,031.70 and 193,176.60
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Solution
The fourth proportional to 508,717.32, 763,031.70 and 193,176.60 is: 289,748.09
Step by Step Solution
- Step 1: Write the proportion equation
508,717.32 : 763,031.70 = 193,176.60 : x - Step 2: Convert to fraction form
508,717.32/763,031.70 = 193,176.60/x - Step 3: Cross multiply
508,717.32x = 763,031.70 × 193,176.60 - Step 4: Simplify right side
508,717.32x = 147,399,869,498.22 - Step 5: Solve for x
x = 147,399,869,498.22/508,717.32 - Step 6: Final answer
x = 289,748.09
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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.