Finding the Fourth Proportional to 663,615.80, 995,423.70 and 164,979.80
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Solution
The fourth proportional to 663,615.80, 995,423.70 and 164,979.80 is: 247,469.70
Step by Step Solution
- Step 1: Write the proportion equation
663,615.80 : 995,423.70 = 164,979.80 : x - Step 2: Convert to fraction form
663,615.80/995,423.70 = 164,979.80/x - Step 3: Cross multiply
663,615.80x = 995,423.70 × 164,979.80 - Step 4: Simplify right side
663,615.80x = 164,224,802,941.26 - Step 5: Solve for x
x = 164,224,802,941.26/663,615.80 - Step 6: Final answer
x = 247,469.70
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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.