Finding the Fourth Proportional to 330,330.78, 455,888.45 and 185,161.19
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Solution
The fourth proportional to 330,330.78, 455,888.45 and 185,161.19 is: 255,540.35
Step by Step Solution
- Step 1: Write the proportion equation
330,330.78 : 455,888.45 = 185,161.19 : x - Step 2: Convert to fraction form
330,330.78/455,888.45 = 185,161.19/x - Step 3: Cross multiply
330,330.78x = 455,888.45 × 185,161.19 - Step 4: Simplify right side
330,330.78x = 84,412,844,704.01 - Step 5: Solve for x
x = 84,412,844,704.01/330,330.78 - Step 6: Final answer
x = 255,540.35
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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.