Finding the Fourth Proportional to 447,698.12, 671,620.12 and 132,186.92
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Solution
The fourth proportional to 447,698.12, 671,620.12 and 132,186.92 is: 198,301.92
Step by Step Solution
- Step 1: Write the proportion equation
447,698.12 : 671,620.12 = 132,186.92 : x - Step 2: Convert to fraction form
447,698.12/671,620.12 = 132,186.92/x - Step 3: Cross multiply
447,698.12x = 671,620.12 × 132,186.92 - Step 4: Simplify right side
447,698.12x = 88,779,395,072.83 - Step 5: Solve for x
x = 88,779,395,072.83/447,698.12 - Step 6: Final answer
x = 198,301.92
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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.