Finding the Fourth Proportional to 564,103.50, 778,458.97 and 305,979.41
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Solution
The fourth proportional to 564,103.50, 778,458.97 and 305,979.41 is: 422,249.49
Step by Step Solution
- Step 1: Write the proportion equation
564,103.50 : 778,458.97 = 305,979.41 : x - Step 2: Convert to fraction form
564,103.50/778,458.97 = 305,979.41/x - Step 3: Cross multiply
564,103.50x = 778,458.97 × 305,979.41 - Step 4: Simplify right side
564,103.50x = 238,192,412,457.51 - Step 5: Solve for x
x = 238,192,412,457.51/564,103.50 - Step 6: Final answer
x = 422,249.49
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.