Finding the Fourth Proportional to 816,101.20, 1,224,554.10 and 367,139.80
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Solution
The fourth proportional to 816,101.20, 1,224,554.10 and 367,139.80 is: 550,890.68
Step by Step Solution
- Step 1: Write the proportion equation
816,101.20 : 1,224,554.10 = 367,139.80 : x - Step 2: Convert to fraction form
816,101.20/1,224,554.10 = 367,139.80/x - Step 3: Cross multiply
816,101.20x = 1,224,554.10 × 367,139.80 - Step 4: Simplify right side
816,101.20x = 449,582,547,363.18 - Step 5: Solve for x
x = 449,582,547,363.18/816,101.20 - Step 6: Final answer
x = 550,890.68
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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.