Finding the Fourth Proportional to 386,201.10, 579,301.65 and 197,244.30
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Solution
The fourth proportional to 386,201.10, 579,301.65 and 197,244.30 is: 295,866.45
Step by Step Solution
- Step 1: Write the proportion equation
386,201.10 : 579,301.65 = 197,244.30 : x - Step 2: Convert to fraction form
386,201.10/579,301.65 = 197,244.30/x - Step 3: Cross multiply
386,201.10x = 579,301.65 × 197,244.30 - Step 4: Simplify right side
386,201.10x = 114,263,948,443.10 - Step 5: Solve for x
x = 114,263,948,443.10/386,201.10 - Step 6: Final answer
x = 295,866.45
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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.