Finding the Fourth Proportional to 544,201.61, 816,320.63 and 189,218.70
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Solution
The fourth proportional to 544,201.61, 816,320.63 and 189,218.70 is: 283,834.39
Step by Step Solution
- Step 1: Write the proportion equation
544,201.61 : 816,320.63 = 189,218.70 : x - Step 2: Convert to fraction form
544,201.61/816,320.63 = 189,218.70/x - Step 3: Cross multiply
544,201.61x = 816,320.63 × 189,218.70 - Step 4: Simplify right side
544,201.61x = 154,463,128,864.83 - Step 5: Solve for x
x = 154,463,128,864.83/544,201.61 - Step 6: Final answer
x = 283,834.39
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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.