Finding the Fourth Proportional to 320,682.62, 480,881.77 and 170,894.99
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Solution
The fourth proportional to 320,682.62, 480,881.77 and 170,894.99 is: 256,266.72
Step by Step Solution
- Step 1: Write the proportion equation
320,682.62 : 480,881.77 = 170,894.99 : x - Step 2: Convert to fraction form
320,682.62/480,881.77 = 170,894.99/x - Step 3: Cross multiply
320,682.62x = 480,881.77 × 170,894.99 - Step 4: Simplify right side
320,682.62x = 82,180,282,443.69 - Step 5: Solve for x
x = 82,180,282,443.69/320,682.62 - Step 6: Final answer
x = 256,266.72
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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.