Finding the Fourth Proportional to 470,195.48, 705,293.24 and 115,206.44
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Solution
The fourth proportional to 470,195.48, 705,293.24 and 115,206.44 is: 172,809.66
Step by Step Solution
- Step 1: Write the proportion equation
470,195.48 : 705,293.24 = 115,206.44 : x - Step 2: Convert to fraction form
470,195.48/705,293.24 = 115,206.44/x - Step 3: Cross multiply
470,195.48x = 705,293.24 × 115,206.44 - Step 4: Simplify right side
470,195.48x = 81,254,319,233.97 - Step 5: Solve for x
x = 81,254,319,233.97/470,195.48 - Step 6: Final answer
x = 172,809.66
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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.