Finding the Fourth Proportional to 547,201.81, 755,145.97 and 302,203.09
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Solution
The fourth proportional to 547,201.81, 755,145.97 and 302,203.09 is: 417,044.39
Step by Step Solution
- Step 1: Write the proportion equation
547,201.81 : 755,145.97 = 302,203.09 : x - Step 2: Convert to fraction form
547,201.81/755,145.97 = 302,203.09/x - Step 3: Cross multiply
547,201.81x = 755,145.97 × 302,203.09 - Step 4: Simplify right side
547,201.81x = 228,207,446,440.54 - Step 5: Solve for x
x = 228,207,446,440.54/547,201.81 - Step 6: Final answer
x = 417,044.39
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.