Finding the Fourth Proportional to 470,824.70, 649,745.48 and 255,965.58
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Solution
The fourth proportional to 470,824.70, 649,745.48 and 255,965.58 is: 353,236.52
Step by Step Solution
- Step 1: Write the proportion equation
470,824.70 : 649,745.48 = 255,965.58 : x - Step 2: Convert to fraction form
470,824.70/649,745.48 = 255,965.58/x - Step 3: Cross multiply
470,824.70x = 649,745.48 × 255,965.58 - Step 4: Simplify right side
470,824.70x = 166,312,480,277.23 - Step 5: Solve for x
x = 166,312,480,277.23/470,824.70 - Step 6: Final answer
x = 353,236.52
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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.