Finding the Fourth Proportional to 470,194.23, 705,291.36 and 115,205.19
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Solution
The fourth proportional to 470,194.23, 705,291.36 and 115,205.19 is: 172,807.79
Step by Step Solution
- Step 1: Write the proportion equation
470,194.23 : 705,291.36 = 115,205.19 : x - Step 2: Convert to fraction form
470,194.23/705,291.36 = 115,205.19/x - Step 3: Cross multiply
470,194.23x = 705,291.36 × 115,205.19 - Step 4: Simplify right side
470,194.23x = 81,253,225,134.16 - Step 5: Solve for x
x = 81,253,225,134.16/470,194.23 - Step 6: Final answer
x = 172,807.79
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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.