Finding the Fourth Proportional to 470,193.23, 705,289.86 and 115,204.19
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Solution
The fourth proportional to 470,193.23, 705,289.86 and 115,204.19 is: 172,806.28
Step by Step Solution
- Step 1: Write the proportion equation
470,193.23 : 705,289.86 = 115,204.19 : x - Step 2: Convert to fraction form
470,193.23/705,289.86 = 115,204.19/x - Step 3: Cross multiply
470,193.23x = 705,289.86 × 115,204.19 - Step 4: Simplify right side
470,193.23x = 81,252,343,510.06 - Step 5: Solve for x
x = 81,252,343,510.06/470,193.23 - Step 6: Final answer
x = 172,806.28
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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.