Finding the Fourth Proportional to 544,595.40, 816,919.83 and 145,239.75
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Solution
The fourth proportional to 544,595.40, 816,919.83 and 145,239.75 is: 217,866.75
Step by Step Solution
- Step 1: Write the proportion equation
544,595.40 : 816,919.83 = 145,239.75 : x - Step 2: Convert to fraction form
544,595.40/816,919.83 = 145,239.75/x - Step 3: Cross multiply
544,595.40x = 816,919.83 × 145,239.75 - Step 4: Simplify right side
544,595.40x = 118,649,231,879.24 - Step 5: Solve for x
x = 118,649,231,879.24/544,595.40 - Step 6: Final answer
x = 217,866.75
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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.