Finding the Fourth Proportional to 323,749.80, 486,207.90 and 313,252.20
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Solution
The fourth proportional to 323,749.80, 486,207.90 and 313,252.20 is: 470,442.59
Step by Step Solution
- Step 1: Write the proportion equation
323,749.80 : 486,207.90 = 313,252.20 : x - Step 2: Convert to fraction form
323,749.80/486,207.90 = 313,252.20/x - Step 3: Cross multiply
323,749.80x = 486,207.90 × 313,252.20 - Step 4: Simplify right side
323,749.80x = 152,305,694,332.38 - Step 5: Solve for x
x = 152,305,694,332.38/323,749.80 - Step 6: Final answer
x = 470,442.59
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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.