Finding the Fourth Proportional to 470,321.08, 649,048.35 and 276,771.58
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Solution
The fourth proportional to 470,321.08, 649,048.35 and 276,771.58 is: 381,947.88
Step by Step Solution
- Step 1: Write the proportion equation
470,321.08 : 649,048.35 = 276,771.58 : x - Step 2: Convert to fraction form
470,321.08/649,048.35 = 276,771.58/x - Step 3: Cross multiply
470,321.08x = 649,048.35 × 276,771.58 - Step 4: Simplify right side
470,321.08x = 179,638,137,325.89 - Step 5: Solve for x
x = 179,638,137,325.89/470,321.08 - Step 6: Final answer
x = 381,947.88
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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.