Finding the Fourth Proportional to 320,214.16, 480,320.63 and 300,727.99
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Solution
The fourth proportional to 320,214.16, 480,320.63 and 300,727.99 is: 451,091.41
Step by Step Solution
- Step 1: Write the proportion equation
320,214.16 : 480,320.63 = 300,727.99 : x - Step 2: Convert to fraction form
320,214.16/480,320.63 = 300,727.99/x - Step 3: Cross multiply
320,214.16x = 480,320.63 × 300,727.99 - Step 4: Simplify right side
320,214.16x = 144,445,857,615.43 - Step 5: Solve for x
x = 144,445,857,615.43/320,214.16 - Step 6: Final answer
x = 451,091.41
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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.