Finding the Fourth Proportional to 470,853.30, 649,735.74 and 261,306.49
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Solution
The fourth proportional to 470,853.30, 649,735.74 and 261,306.49 is: 360,579.75
Step by Step Solution
- Step 1: Write the proportion equation
470,853.30 : 649,735.74 = 261,306.49 : x - Step 2: Convert to fraction form
470,853.30/649,735.74 = 261,306.49/x - Step 3: Cross multiply
470,853.30x = 649,735.74 × 261,306.49 - Step 4: Simplify right side
470,853.30x = 169,780,165,646.95 - Step 5: Solve for x
x = 169,780,165,646.95/470,853.30 - Step 6: Final answer
x = 360,579.75
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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.