Finding the Fourth Proportional to 315,029.68, 470,536.42 and 284,997.84
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Solution
The fourth proportional to 315,029.68, 470,536.42 and 284,997.84 is: 425,680.09
Step by Step Solution
- Step 1: Write the proportion equation
315,029.68 : 470,536.42 = 284,997.84 : x - Step 2: Convert to fraction form
315,029.68/470,536.42 = 284,997.84/x - Step 3: Cross multiply
315,029.68x = 470,536.42 × 284,997.84 - Step 4: Simplify right side
315,029.68x = 134,101,863,341.33 - Step 5: Solve for x
x = 134,101,863,341.33/315,029.68 - Step 6: Final answer
x = 425,680.09
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Why These Related Problems?
These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.