Finding the Fourth Proportional to 460,430.92, 635,492.68 and 309,440.44
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Solution
The fourth proportional to 460,430.92, 635,492.68 and 309,440.44 is: 427,093.68
Step by Step Solution
- Step 1: Write the proportion equation
460,430.92 : 635,492.68 = 309,440.44 : x - Step 2: Convert to fraction form
460,430.92/635,492.68 = 309,440.44/x - Step 3: Cross multiply
460,430.92x = 635,492.68 × 309,440.44 - Step 4: Simplify right side
460,430.92x = 196,647,134,515.98 - Step 5: Solve for x
x = 196,647,134,515.98/460,430.92 - Step 6: Final answer
x = 427,093.68
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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.