Finding the Fourth Proportional to 689,452.84, 1,034,183.84 and 240,182.20
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Solution
The fourth proportional to 689,452.84, 1,034,183.84 and 240,182.20 is: 360,274.90
Step by Step Solution
- Step 1: Write the proportion equation
689,452.84 : 1,034,183.84 = 240,182.20 : x - Step 2: Convert to fraction form
689,452.84/1,034,183.84 = 240,182.20/x - Step 3: Cross multiply
689,452.84x = 1,034,183.84 × 240,182.20 - Step 4: Simplify right side
689,452.84x = 248,392,549,895.65 - Step 5: Solve for x
x = 248,392,549,895.65/689,452.84 - Step 6: Final answer
x = 360,274.90
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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.