Finding the Fourth Proportional to 356,345.96, 534,617.36 and 317,176.79
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Solution
The fourth proportional to 356,345.96, 534,617.36 and 317,176.79 is: 475,852.79
Step by Step Solution
- Step 1: Write the proportion equation
356,345.96 : 534,617.36 = 317,176.79 : x - Step 2: Convert to fraction form
356,345.96/534,617.36 = 317,176.79/x - Step 3: Cross multiply
356,345.96x = 534,617.36 × 317,176.79 - Step 4: Simplify right side
356,345.96x = 169,568,220,524.36 - Step 5: Solve for x
x = 169,568,220,524.36/356,345.96 - Step 6: Final answer
x = 475,852.79
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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.