Finding the Fourth Proportional to 432,128.05, 596,146.84 and 412,117.00
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Solution
The fourth proportional to 432,128.05, 596,146.84 and 412,117.00 is: 568,540.38
Step by Step Solution
- Step 1: Write the proportion equation
432,128.05 : 596,146.84 = 412,117.00 : x - Step 2: Convert to fraction form
432,128.05/596,146.84 = 412,117.00/x - Step 3: Cross multiply
432,128.05x = 596,146.84 × 412,117.00 - Step 4: Simplify right side
432,128.05x = 245,682,244,739.62 - Step 5: Solve for x
x = 245,682,244,739.62/432,128.05 - Step 6: Final answer
x = 568,540.38
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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.